scholarly journals SKIN DISEASES;

2017 ◽  
Vol 24 (07) ◽  
pp. 1031-1035
Author(s):  
Imran Ahmed Ghirano ◽  
Salma Sheikh ◽  
Ashique Ali Arain
Keyword(s):  
Random Sampling ◽  
Skin Diseases ◽  
Simple Random Sampling ◽  
Statistical Technique ◽  
The Body ◽  
Study Patient ◽  
High Prevalence ◽  
Qualitative Variables ◽  
Study Population ◽  
Age Range

Background: Skin gives beauty and protection to the body of all living animalespecially to human being. It is continuously exposed to a number of pathogens and other riskfactors resulting into a variety of diseases. Children are affected by different dermatologicalproblems that need to be addressed and managed early to avoid further complications.Material and Methods: 518 Children of both sexes with age range from 1months to 11 yearssuffering from any kind of skin disease were randomly selected after taking consent fromthe parents. Study Design: It was an observational study. Study Settings: This study wasconducted in department of Pediatrics OPD Liaquat University of Medical and Health Sciences.Study Duration: Study duration was 6months from March 2012 August 2012. SamplingTechnique: Probability Sampling (Simple Random Sampling) was used to select the studysamples. Statistical Analysis: Descriptive statistical technique used to show frequencyand percentage of the data. Mean and standard of numerical variables were calculated wascalculated for qualitative variables. SPSS 22 was used to analyze the data. Results: 57% ofthe study population was male children and 43% were female showing high prevalence of skindiseases in male as compared to females. Scabies was found to be most common in bothgroups (32.43%) followed by Folliculitis (13.13%), Impetigo (11.39%) and Tenia Capitus (8.69%)mean age of our study patient was 5 years. Conclusion: Skin diseases are more prevalent inFemale children as compared to male children.

Angka Kuman Pada Tempat Tidur di Rumah Sakit Daerah Madani Palu Bacterial numbers on ward beds in Rumah Sakit Daerah Madani Palu

2019 ◽  
Vol 13 (2) ◽  
pp. 81
Author(s):  
Monica Cecilia ◽  
Novarianti Novarianti ◽  
Christine Christine
Keyword(s):  
Public Health ◽  
Nosocomial Infections ◽  
Random Sampling ◽  
Simple Random Sampling ◽  
Regional Hospital ◽  
Hospital Environment ◽  
Sanitation Services ◽  
Treatment Room ◽  
Study Population

The unhygienic environment of the hospital will allow the transmission of diseases that can affect public health in that hospital.  Therefore, hospital sanitation services need to be organized in order to create a comfortable and clean hospital environment, so that it can support efforts to cure and prevent the transmission of nosocomial infections in the hospital environment.  The purpose of this study was to determine the number of germs on the inpatient bed of District Madani Hospital of Palu.  The method of this study used descriptive with observational approach. The study population was all inpatient beds in Melon, Jambu, Rambutan, Nangka, Semangka, dan Markisa treatment rooms at Madani Regional Hospital of Palu.  The sample of this study was a part of the impatient bed in rooms of Melon 10, Jambu 10, Rambutan 10, Rambutan 9,  Semangka 7, and Markisa 4, which were taken by simple random sampling.  The results showed that the number of germs did not meet the requirements of> 10 colonies / cm².  So it can be concluded that the number of germs on the inpatient bed of the treatment room at the Palu Madani Regional Hospital does not meet the requirements.

scholarly journals Adjustment and Social Support of Pre-University College Adolescents

2017 ◽  
Vol 4 (2) ◽  
Author(s):  
Dr. Maheshbabu. N ◽  
Mr. Chandrkanth. B. K ◽  
Dr. Shivakumar S Chengti
Keyword(s):  
Social Support ◽  
College Students ◽  
Random Sampling ◽  
Sampling Method ◽  
Simple Random Sampling ◽  
Statistical Technique ◽  
College Going ◽  
Significant Difference ◽  
Social Support Scale ◽  
University Colleges

The present study seeks to investigate the level of adjustment and social support of college going adolescents. Sample included 120 (simple random sampling method) randomly selected adolescents i.e. 60 boys and 60 girls college students from various pre-university colleges of Kalaburgi district of Hyderabad Karnataka. For obtaining the data on social support and adjustment, social support scale developed by Vaxu (1986), and adjustment inventory was developed by Sinha and Singh (1984) were used respectively. The statistical technique t-test and spearman rho coefficient of correlation was employed for comparing the two groups. The findings of the study showed that there exists significant difference in adjustment and social support between boys and girls. Whereas there exists no significant difference in respect to domicile between adjustment and social support. It also concludes that there exists positive and significant difference between adjustment and social support.

scholarly journals Skala TAI-G Untuk Kecemasan Menghadapi Ujian Pada Siswa Sekolah Menengah Atas

2020 ◽  
Vol 32 (1) ◽  
pp. 53-60
Author(s):  
Hasnaa' Zahuna Nayu
Keyword(s):  
High Risk ◽  
Random Sampling ◽  
Simple Random Sampling ◽  
Self Esteem ◽  
Quantitative Approach ◽  
Sampling Techniques ◽  
Validity And Reliability ◽  
Alpha Reliability ◽  
Age Range ◽  
Total Item

Anxiety facing exams refers to the student's tendency to understand evaluativ situations where their performance will be assessed, such as high-risk exams, as they are very threatening. The threat here is their self-esteem, fear will be judged negatively by teachers, friends, or parents.  The purpose of this research is to seek the validity and reliability of the TAI-G scale. This research uses a quantitative approach. The number of samples of this study was 101 SMA/SMK students in Magelang with an age range of 15-17 years. Sampling in this study used simple random sampling techniques. The results of the analysis show 21 items declared valid with a correlation of item-Total 0.25, 1 invalid item with a total-item correlation of 0.25, and an alpha reliability of 0.907.

scholarly journals Analisis Faktor-Faktor Yang Mempengaruhi Pendapatan Usahatani Alpukat

2020 ◽  
Vol 4 (2) ◽  
pp. 143
Author(s):  
Wiwiek Andajani ◽  
Djoko Rahardjo
Keyword(s):  
Random Sampling ◽  
Simple Random Sampling ◽  
Research Area ◽  
Fruit Production ◽  
The Body ◽  
Descriptive Research ◽  
Avocado Fruit ◽  
Quantitative Descriptive ◽  
One Year ◽  
Calming Effect

Avocado fruit is one of 10 fruits that can relieve stress, because it contains hormones and nutrients that can have a calming effect on the body. East Java Province is one of the centers for fruit production in Indonesia, including avocado fruit center, precisely in Ngliman Village, Sawahan District, Nganjuk Regency. However, this does not guarantee the high income of avocado farmers, which is caused by, among other things, price fluctuations during the harvest season, unoptimal farming management, pest attacks, and others. The purpose of this study was to determine the farmer income of avocado farming, and the factors that influence it, as well as the factors that most influence the income of avocado farming. Using quantitative descriptive research methods and deliberately choosing the research area in Ngliman Village, the research was conducted in a leading area of avocado farming in Sawahan District, Nganjuk Regency. Sampling method employed a simple random sampling of avocado farmers who have been producing for more than 10 years. From the results of the analysis, it can be seen that the income of avocado farmers in one year per hectare was IDR 9,624,550, and the land area factor affecting the income of avocado farming.Buah alpukat adalah salah satu dari 10 macam buah-buahan yang dapat meredakan stress, karena mengandung hormon dan nutrisi yang dapat memberikan efek tenang pada tubuh. Propinsi Jawa Timur adalah salah satu sentra produksi buah-buahan di Indonesia, diantaranya sentra buah alpukat, tepatnya yaitu di Kabupaten Nganjuk, Kecamatan Sawahan, Desa Ngliman. Namun demikian belum menjamin tingginya pendapatan petani alpukat, yang disebabkan antara lain, fluktuasi harga pada musim panen, belum maksimalnya pengelolaan usahataninya, adanya serangan hama, dan lain sebagainya. Tujuan penelitian ini adalah untuk mengetahui pendapatan usahatani alpukat, dan untuk mengetahui faktor-faktor produksi yang mempengaruhinya, serta untuk mengetahui faktor produksi (umur, tingkat pendidikan, pengalaman atau lama usahatani, dan luas lahan) yang paling berpengaruh terhadap pendapatan usahatani alpukat. Menggunakan metode penelitian deskriptif kuantitatif, dan secara sengaja memilih daerah penelitian di Desa Ngliman, karena merupakan daerah unggulan penghasil buah alpukat di Kecamatan Sawahan, Kabupaten Nganjuk. Pengambilan sampel secara simple random sampling terhadap petani alpukat yang sudah berproduksi lebih dari 10 tahun. Dari hasil analisis dapat diketahui pendapatan petani alpukat dalam satu tahun per hektarnya sebesar Rp9.624.550-, dan faktor luas lahan saja yang berpengaruh terhadap pendapatan usahatani alpukat.

scholarly journals Hubungan Antara Asupan Zat Gizi Makro dan Status Gizi dengan Kebugaran Jasmani Mahasiswa UKM Taekwondo

2018 ◽  
Vol 2 (1) ◽  
pp. 90
Author(s):  
Intan Galih Cornia ◽  
Merryana Adriani
Keyword(s):  
Nutritional Status ◽  
Physical Fitness ◽  
Random Sampling ◽  
Simple Random Sampling ◽  
The Body ◽  
Nutritional Intake ◽  
Nutrition Status ◽  
Consumption Pattern ◽  
Cross Sectional ◽  
Food Recall

Background: Taekwondo is a physical activity or body movement that is conducted repeatedly with muscles as the most active organ. The problems that occurs to the athletes is the poor-organized consumption pattern, thus they lack of nutritional intake. The good nutritional intake is obtained from the sufficient nutritional intake so that the physical fitness becomes better. Meanwhile, young adults require sufficient nutritional intake so that their physical fitness can be better.Objective: This research aimed to analyze the relationship between the nutritional intake and nutrition status with the physical fitness of the university students joining the student activity unit of taekwondo in Universitas Airlangga Surabaya.Methods: This research was the analytical research with the cross-sectional design. The sample of the research was as many as 52 people who were acquired by utilizing the simple random sampling. The data collection included nutritional status by measuring the weight and height to figure out the Body Mass Index (BMI) and 2x24 hours food recall to understand the food intake.Results: The result demonstrated that there was a relationship between the nutritional status (p=0.014) and the intake of energy, protein, carbohydrate, and fat (p=0.05) had no relationship with the physical fitness.Conclusions: It could that the nutritional status was related to the physical fitness. The respondents who had normal nutrition status obtained the good physical fitness. There should be the addition of information regarding the nutrients to obtain the good nutritional status.ABSTRAKLatar Belakang: Taekwondo merupakan aktivitas fisik atau gerakan anggota tubuh yang dilakukan secara berulang dan organ yang paling aktif yaitu otot. Permasalah yang sering terjadi pada olahragawan yaitu suka konsumsi makanan yang tidak teratur sehingga asupan gizinya kurang tercukupi. Asupan gizi yang baik diperoleh dari asupan gizi yang cukup sehingga kebugaran jasmaninya baik.Tujuan: Tujuan dari penelitian ini adalah menganalisis hubungan antara asupan zat gizi makro dan status gizi dengan kebugaran jasmani mahasiswa UKM taekwondo.Metode: Penelitian ini menggunakan desain studi cross sectional dengan jumlah sampel 52 orang, diambil secara acak sederhana menggunakan simple random sampling. Pengumpulan data meliputi status gizi dengan cara penimbangan berat dan pengukuran tinggi badan untuk mengetahui Indeks Massa Tubuh (IMT), food recall 2x24 untuk mengetahui asupan makannya dan tes balke untuk kebugaran jasmani. Analisis data yang digunakan dalam penelitian ini adalah analisis univariat dan bivariat dengan menggunakan kolerasi pearson.Hasil: Hasil penelitian menunjukkan terdapat hubungan antara status gizi (p=0,014) dengan kebugaran jasmani sedangkan asupan energi, protein, karbohidrat dan lemak (P=0,05) tidak terdapat hubungan dengan kebugaran jasmani.Kesimpulan: Status gizi berhubungan dengan kebugaran jasmani. Responden yang memiliki status gizi normal cenderung memiliki kebugaran jasmani yang baik. Perlu dilakukan penambahan informasi terkait zat gizi agar tercipta status gizi yang baik.

scholarly journals A study of red blood cell alloimmunization and autoimmunization among 200 multitransfused Egyptian β thalassemia patients

2020 ◽  
Vol 10 (1) ◽  
Author(s):  
Amal El-Beshlawy ◽  
Alshymaa Ahmed Salama ◽  
Mohamed Roshdy El-Masry ◽  
Noha M. El Husseiny ◽  
Asmaa M. Abdelhameed
Keyword(s):  
Blood Transfusion ◽  
Antibody Formation ◽  
Treatment Duration ◽  
Transfusion Therapy ◽  
Antibody Screening ◽  
High Prevalence ◽  
Study Population ◽  
Reduce Risk ◽  
Age Range ◽  
Transfusion Complications

AbstractThe development of hemolytic erythrocyte alloantibodies and autoantibodies complicates transfusion therapy in thalassemia patients. These antibodies ultimately increase the need for blood and intensify transfusion complications. There is a scanty data on the frequency of RBC alloimmunization and autoimmunization in Egyptian β thalassemia patients as pretransfusion antibody screening is not routinely performed. We studied the frequency of alloimmunization and autoimmunization among 200 multiply transfused β thalassemia patients and investigated the factors that possibly affect antibody formation. Of the 200 patients in our study, 94 were males and 106 females, with the age range of 2–37 years. Alloantibodies were detected in 36 (18%) of the patients, while autoantibodies were detected in 33 (16.5%). The dominant alloantibodies were directed against Kell (33%) and Rh (24.4%) groups. Alloimmunization had a significant relationship with treatment duration and the frequency of transfusion (P = 0.007, 0.001, respectively). The presence of autoantibodies was significantly related to age (P = 0.001), total number of transfused units (P = 0.000) and splenectomy (P = 0.000). The high prevalence of alloimmunization in the study population disclosed the need for providing phenotypically matched cells for selective antigens especially for Kell and Rh subgroups to reduce risk of alloimmunization and increase the efficiency of blood transfusion.

scholarly journals Cohesivity Fisheries Community in the Face of Climate Change on the Coast of Western Java

2017 ◽  
Vol 5 (1) ◽  
Author(s):  
Galuh Adriana ◽  
Nurmala K. Pandjaitan ◽  
Arya Hadi Dharmawan
Keyword(s):  
Climate Change ◽  
Collective Action ◽  
Collective Efficacy ◽  
Sense Of Community ◽  
Random Sampling ◽  
Sampling Technique ◽  
Simple Random Sampling ◽  
Economic Interests ◽  
The Face ◽  
Study Population

<p>ABTRACT<br />The conditions of fishermen is very dependent with nature. Climate change that happening makes nature more difficult to predict. That can make the living of fishermen more vulnerabel. Communities that have a strong cohesiveness will have a collective action to deal with climate change. The purpose of this study is to see the level of cohesiveness fisherman in the face of climate change. The method used is mix method using questionnaire, observation and in-depth interviews. The number of respondents was 100 people. The selection of respondents was done by simple random sampling technique, where the study population are members of “raskin” program from government. The results are fisheries community have a strong social capital, sense of community and community collective efficacy, which is produced strong cohesiveness. However, in reality what is perceived is not necessarily reflected in everyday life. Collective action found only in activities that support public facilities. However, collective action for the economic interests only occurs in certain interest groups. According the results can be argued that the level of fishing community cohesiveness is high, but only produce preparadness for climate change.<br />Keywords: social cohesion, collective action, fisheries community</p><p><br />ABSTRAK<br />Kehidupan nelayan sangat bergantung dengan alam. Perubahan iklim yang terjadi membuat alam semakin sulit untuk diprediksi. Kondisi tersebut membuat kehidupan nelayan semakin vulnerabel. Komunitas yang memiliki kohesivitas yang kuat akan memiliki aksi kolektif untuk menghadapi perubahan iklim. Penelitian ini bertujuan untuk melihat derajat kohesivitas komuitas nelayan dalam mengahadapi perubahan iklim. Metode yang digunakan adalah mix method dengan menggunakan kuesioner, observasi dan wawancara mendalam. Jumlah responden adalah 100 orang. Pemilihan responden dilakukan dengan teknik simple random sampling, dimana populasi penelitian adalah anggota komunitas penerima program beras raskin dari pemerintah. Hasil penelitian adalah komunitas nelayan memiliki modal sosial, sense of community dan community collective efficacy yang kuat, yang akan menghasilkan kohesivitas yang kuat. Akan tetapi, apa yang dirasakan belum tentu tercerimin pada kehidupan sehari-hari. Aksi kolektif hanya terdapat pada kegiatan yang mendukung fasilitas umum. Akan tetapi aksi kolektif untuk kepentingan ekonomi hanya terjadi pada kelompok-kelompok kepentingan tertentu. Berdasarkan hasil dapat dikatakan bahwa tingkat kohesivitas komunitas nelayan tinggi, tetapi hanya menghasilkan kesiapan untuk menghadapi perubahan iklim.<br />Kata kunci: kohesivitas, aksi kolektif, komunitas pesisir</p>

scholarly journals Hubungan Frekuensi Perawatan Payudara dengan Kelancaran Produksi ASI pada Ibu Nifas Hari ke 4

2021 ◽  
Vol 14 (1) ◽  
pp. 39
Author(s):  
Mariyatul Qiftiyah ◽  
Eva Silviana Rahmawati ◽  
Aris Puji Utami ◽  
Nur Maziyah Hurin’in
Keyword(s):  
Breast Milk ◽  
Random Sampling ◽  
Post Partum ◽  
Simple Random Sampling ◽  
P Value ◽  
Additional Food ◽  
Cross Sectional ◽  
Study Population ◽  
Breast Care ◽  
Postpartum Mothers

Abstrak. ASI memberi semua energi dan nutrisi yang dibutuhkan bayi selama 6 bulan pertama hidup bayi, sehingga dianjurkan untuk enam bulan pertama bayi hanya diberi ASI Ekslusif tanpa tambahan makanan atau minuman lain. Penelitian ini bertujuan untuk menganalisa hubungan frekuensi perawatan payudara dengan kelancaran produksi ASI pada ibu nifas hari ke 4. Metode penelitian yang digunakanan adalah analitik observasional dengan pendekatan cross sectional. Populasi dalam penelitian adalah seluruh ibu nifas hari ke 4 di BPS Asri dan Polindes Permata Bunda Tuban bulan Juli - AgustusTahun 2020, sampel penelitian adalah sebagian ibu nifas hari ke 4 di BPS Asri dan Polindes Permata Bunda Tuban bulan Juli – Agustus Tahun 2020. Teknik sampling yang digunakan dalam penelitian ini adalah simple random sampling. Variabel independen dalam penelitian ini adalah frekuensi perawatan payudara sedangkan variabel dependen dalam penelitian ini kelancaran produksi ASI. Analisis data dalam penelitian menggunakan korelasi Spearman dengan batasan signifikan jika p-value < 0,05. Analisa hasil penelitian menunjukkan p-value = 0,000 yang berarti terdapat hubungan antara frekuensi perawatan payudara dengan kelancaran produksi asi pada ibu nifas hari ke 4. Pentingnya ASI bagi bayi maka ibu nifas diharapkan selalu menjaga kelancaran ASI dengan cara melakukan perawatan payudara secara rutin dan benar.  Kata kunci. Perawatan payudara, ASI, Nifas   The Correlation between The Frequency of Breast Care and The Smooth Production of Breast Milk on Day 4 Postpartum  Abtract.Breastmilk provides all the energy and butrition a baby needs for the first 6 months of baby life. The firts six months only exclusive breastfeeding is provided for babies without any additional food or drink. This study aims to analyze the correlation between the breast care frequency and the smooth production of breastmilk in post-partum mothers on day 4. The research method was observational analytic with a cross-sectional approach. The study population was all-day 4 postpartum mothers and the study sample were some of the fourth days' postpartum mothers at BPS Asri and Polindes Permata Bunda Tuban in March-April 2020. The research sampling was simple random sampling. The independent variable was the frequency of breast care, while the dependent variable was the milk production smoothness. Data analysis used the Spearman correlation with significant limits of p-value <0.05. The analysis of the results showed a p-value=0.000, which means that there was a correlation between the breast care frequency and the breastmilk smooth production in postpartum mothers on day 4. The importance of breastfeeding for babies is that postpartum mothers are expected to always maintain the smooth running of breast milk by doing regular and correct breast care.  Keywords. Breast care, breast milk, postpartum

scholarly journals Faktor Kelembagaan, Sosial Ekonomi Dan Penerapan (Adopsi) Teknologi Terhadap Keberhasilan Usahatani Kopi Arabika Java Preanger

2021 ◽  
Vol 9 (1) ◽  
pp. 94
Author(s):  
Euis Dasipah ◽  
Dety Sukmawati ◽  
Dian Purwadi Faturachman
Keyword(s):  
Random Sampling ◽  
Descriptive Analysis ◽  
Simple Random Sampling ◽  
Main Hypothesis ◽  
Simultaneous Application ◽  
Coffee Farmers ◽  
Study Population ◽  
Coffee Farming ◽  
The Relationship ◽  
Positive Effect

This study aims to determine and study "Institutional Farmers, Socio-economic and Technological Adoption of the Success of Java Preanger Arabica Coffee Farming (Survey of Coffee Farmers in Rancakalong District, Sumedang Regency)". Descriptive Analysis research method, with the research variables consisting of two independent variables namely, farmer institutions and farmers' socio-economic, and two Bound Variables namely Application of technology and success of coffee farming. The study population numbered 110, with a sample of 86 people, simple random sampling. / Simple random sampling, every subject in the population has the same chance of being selected as a sample. Main Hypothesis Testing Results indicate that farmer institutions, farmer socio-economics and application of technology Influence the success of coffee farming, the results of the Hypothesis Sub-tests are; (1) farmer institution influences the success of coffee farming in Rancakalong District, Sumedang Regency, (2) farmer socioeconomic influences on the success of coffee farming in Rancakalong District Sumedang Regency and the application of technology influences the success of coffee farming in Rancakalong District Sumedang Regency, (3) There is The relationship between farmer institutions and socio-economics in Rancakalong District, Sumedang Regency. Farmer institutionalization, farmer socio-economic condition and simultaneous application of technology have a positive effect on the success of coffee farming in Rancakalong Subdistrict, but when compared to the influence of all variables, the Farmer Institution has a smaller effect. While the cause of the influence of X2 is higher than X1, because the dynamics of farmer groups are common everywhere and at any time and are usually more directly related to how to improve farming yields so that the interaction is stronger. Considering the various limitations in this study, it needs to be followed up more broadly and deeply, so that it can provide more comprehensive benefits and look at other factors that influence the success of coffee farming.

scholarly journals PERBANDINGAN KADAR KALIUM DARAH SEBELUM DAN SESUDAH AKTIVITAS FISIK INTENSITAS BERAT

2016 ◽  
Vol 3 (3) ◽  
Author(s):  
Ronald J. Pokneangge ◽  
Murniati . Tiho ◽  
Yanti M. Mewo
Keyword(s):  
Physical Activity ◽  
Serum Potassium ◽  
Random Sampling ◽  
Serum Potassium Level ◽  
Simple Random Sampling ◽  
Physical Activities ◽  
T Test ◽  
The Body ◽  
Before And After ◽  
Paired T Test

Abstract: Physical activities include all body movements ranging from a small movement to a movement that involves several large muscles such as lifting the arms and legs. During a physical activity, the body temperature will increase, and as a compensatory mechanism, the body will sweat and release several kinds of electrolyte such as magnesium, sodium, and potassium. Potassium is a macronutrient that is widely available in the intracellular fluid (ICF). The normal value of serum potassium is 3.5-5.0 mmol/L. This study aimed to obtain the comparison of blood potassium levels of fourth year students of the Faculty of Medicine, University of Sam Ratulangi Manado, before and after vigorous physical activities. This was an experimental study with a one group pretest-posttest design. There were 21 male students as respondents obtained by using the simple random sampling method. Data were analyzed by using the paired t-test. The physical activity conducted was playing futsal for 2x20 minutes with a break of 10 minutes in between. The results showed that the average of serum potassium level before doing the physical activity was 3.7 mmol/L, and the average of the serum potassium level after doing physical activity was 3.8 mmol/L. The paired t-test showed a p value of 0.061 (p>0.05). Conclusion: There was no significant difference between serum potassium levels before and after vigorous physical activity, Keywords: potassium, physical activity, vigorous intensity Abstrak: Aktivitas fisik meliputi semua gerakan tubuh mulai dari gerakan kecil sampai gerakan yang melibatkan pergerakan beberapa otot besar seperti saat mengangkat lengan atau tungkai. Ketika melakukan aktivitas fisik, terjadi peningkatan suhu tubuh dan sebagai mekanisme kompensasinya tubuh akan mengeluarkan keringat dan beberapa jenis elektrolit misalnya magnesium, natrium dan kalium. Kalium merupakan salah satu makronutrien yang banyak terdapat dalam cairan intrasel (CIS). Nilai normal kalium serum yaitu 3,5-5,0 mmol/L. Penelitian ini bertujuan untuk mengetahui perbandingan kadar kalium darah sebelum dan sesudah aktivitas fisik intensitas berat pada mahasiswa Fakultas Kedokteran Universitas Sam Ratulangi Manado angkatan tahun 2011. Jenis penelitian ini eksperimental dengan rancangan one group pretest-posttest design. Responden diperoleh menggunakan metode simple random sampling. Hasil pengukuran kadar kalium serum sebelum dan sesudah aktivitas fisik intensitas berat dianalisis menggunakan uji paired t-test. Aktivitas fisik yang dilakukan yaitu bermain futsal selama 2x20 menit dengan diselingi istirahat selama 10 menit. Hasil penelitian memperlihatkan dari 21 responden (laki-laki) rerata kadar kalium serum sebelum melakukan latihan fisik 3,7 mmol/L, dan rerata kadar kalium serum sesudah melakukan latihan fisik 3,8 mmol/L. Uji paired t test menunjukkan nilai p=0,061 (p>0,05). Simpulan: Tidak terdapat perbedaan bermakna antara kadar kalium serum sebelum dan sesudah latihan fisik intensitas berat.Kata kunci: kalium, aktivitas fisik, intensitas berat

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