Age and gender interactions in physiological functional capacity: insight from swimming performance

1997 ◽  
Vol 82 (3) ◽  
pp. 846-851 ◽  
Author(s):  
Hirofumi Tanaka ◽  
Douglas R. Seals
Keyword(s):  
Functional Capacity ◽  
Swimming Performance ◽  
Age Groups ◽  
Cross Sectional Study ◽  
Peak Exercise ◽  
Cross Sectional ◽  
Age And Gender ◽  
And Gender ◽  
Effects Of Aging ◽  
Gender Interactions

Tanaka, Hirofumi, and Douglas R. Seals. Age and gender interactions in physiological functional capacity: insight from swimming performance. J. Appl. Physiol. 82(3): 846–851, 1997.—One experimental approach to studying the effects of aging on physiological functional capacity in humans is to analyze the peak exercise performance of highly trained athletes with increasing age. To gain insight into the relationships among age, gender, and exercise task duration with use of this model, we performed a 5-yr (1991–1995) retrospective analysis of top freestyle performance times from the US Masters Swimming Championships. Regression analysis showed that in both men and women endurance swimming performance (i.e., 1,500 m) declined linearly from peak levels at age 35–40 yr until ∼70 yr of age, whereupon performance declined exponentially thereafter. In both genders, the variability among the top 10 winning times in each 5-yr age interval increased markedly with advancing age. Compared with the 1,500-m freestyle, performance in the 50-m freestyle (short-duration task) showed only a modest decline until ages 75 and 80 yr in women and men, respectively. The rate and magnitude of the declines in both short- and long-duration swimming performance with age were significantly ( P < 0.05) greater in women than in men. In the women, the percent decline in swimming performance over a 50-yr age period from the 19- to 24-yr to the 69- to 74-yr age groups became progressively greater from the shortest distance (50 m) to the two longest distances (800 and 1,500 m), whereas in men, no differences were observed in the magnitude of performance decline with age among the five longest distance events (i.e., 100–1,500 m). The percent gender difference in performance throughout the age range studied became progressively smaller ( P < 0.05) with increasing distance from 50 m (19 ± 1%) to 1,500 m (11 ± 1%). The findings in this cross-sectional study indicate that from peak levels at age 35–40 yr, physiological functional capacity, as assessed by swimming performance, decreases linearly until ∼70–80 yr of age, whereupon the decline becomes exponential. Moreover, the rate of decline with advancing age appears to be associated with event duration and gender.

scholarly journals Correlation between bone turnover and metabolic markers with age and gender: a cross-sectional study of hospital information system data

2020 ◽  
Vol 21 (1) ◽  
Author(s):  
Ju Shao ◽  
Shao-Song Zhou ◽  
Yuan Qu ◽  
Bi-Bo Liang ◽  
Qing-Hong Yu ◽  
...  
Keyword(s):  
Bone Turnover ◽  
Clinical Research ◽  
Age Groups ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Hospital Data ◽  
Medication History ◽  
Cross Sectional ◽  
Age And Gender ◽  
And Gender

Abstract Background Bone turnover and metabolic indicators are related to age and gender. Age and gender should be matched in subjects in disease control research of bone turnover and metabolism, but strict matching of gender and age increases the difficulty and cost of the research. Therefore, the aim of this study was to solve it is necessary to strictly match age and gender in clinical research in bone metabolism. Methods A cross-sectional study was conducted from the data were extracted from the HIS of ZhuJiang Hospital. Data relating to seven bone turnover and metabolic indicators from 1036 patients between January 2018 and October 2019 were analyzed. Results P1NP, β-CTx and 25(OH)D were significant different in individuals younger than 20 years of age. ALP was significantly higher in those under 20 years of age and lower at age 20–39 compared with other age groups. The concentrations of Ca and P were different among the groups aged 0–19, 20–39, and 40–59 years of age groups but exhibited no difference above 60 years of age. PTH expression was not dependent on age. P1NP, β-CTx and PTH concentrations were not significantly different between the genders within the same age group. ALP was significantly different between genders within the age range 20–59 years. Ca and 25(OH)D were significantly different between the genders for those older than 60. Serum P was significantly different in the two genders for those aged 40–79. Patients received both alfacalcidol and calcium treatment differently from the others in P1NP, β-CTx, Serum Ca, P and ALP. Conclusion P1NP and β-CTx were highly correlated with age. If these two indictors require analysis in a case control study, the patients and controls should be strictly matched by age under 20 years. The demarcation point for ALP was 40 years of age. Ca and P were strongly recommended strict matching according to age in disease research. The difference in P1NP, β-CTx, 25(OH)D and ALP between genders depends on age differences. Medication history should be considered in bone turnover and metabolic clinical research.

scholarly journals Correlation between bone turnover and metabolic markers with age and gender: a cross-sectional study of hospital information system data

2020 ◽  
Author(s):  
Shao Ju ◽  
Shaosong Zhou ◽  
Yuan Qu ◽  
bibo liang ◽  
Qing-Hong Yu ◽  
...  
Keyword(s):  
Bone Turnover ◽  
Age Groups ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Cross Sectional ◽  
Age And Gender ◽  
Metabolic Markers ◽  
The Difference ◽  
Highly Correlated ◽  
And Gender

Abstract Background: Bone turnover and metabolic indicators are related to age and gender. Age and gender should be matched in subjects in disease control research of bone turnover and metabolism, but strict matching of gender and age increases the difficulty and cost of the research. Therefore, the aim of this study was to solve the question of whether it is necessary to strictly match age and gender in clinical research in bone metabolism.METHODS: Patient data were extracted from the HIS of ZhuJiang Hospital, Southern Medical University. From these data, a cross-sectional study was conducted. Data relating to seven bone turnover and metabolic indicators from 1036 patients between January 2018 and October 2019 were analyzed. A total of 156 patients aged under 20 were identified and analyzed separately. RESULTS: P1NP, β-CTx and 25(OH)D were significant different in individuals younger than 20 years of age. ALP was significantly higher in those under 20 years of age and lower at age 20-39 compared with other age groups. The concentrations of Ca and P were different among the groups aged 0-19, 20-39, and 40-59 years of age groups but exhibited no difference above 60 years of age. PTH expression was not dependent on age. P1NP, β-CTx and PTH concentrations were not significantly different between the genders within the same age group. ALP was significantly different between genders within the age range 20-59 years. Ca and 25(OH)D were significantly different between the genders for those older than 60. Serum P was significantly different in the two genders for those aged 40-79. CONCLUSION: P1NP and β-CTx were highly correlated with age. If these two indictors require analysis in a case control study, the patients and controls should be strictly matched by age under 20 years. The demarcation point for ALP was 40 years of age. Ca and P were strongly recommended strict matching according to age in disease research. The difference in P1NP, β-CTx, 25(OH)D and ALP between genders depends on age differences.

scholarly journals Correlation between bone turnover and metabolic markers with age and gender: a cross-sectional study of hospital information system data

2020 ◽  
Author(s):  
Shao Ju ◽  
Shaosong Zhou ◽  
Yuan Qu ◽  
Bibo Liang ◽  
Qing-Hong Yu ◽  
...  
Keyword(s):  
Bone Turnover ◽  
Clinical Research ◽  
Age Groups ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Hospital Data ◽  
Medication History ◽  
Cross Sectional ◽  
Age And Gender ◽  
And Gender

Abstract Background: Bone turnover and metabolic indicators are related to age and gender. Age and gender should be matched in subjects in disease control research of bone turnover and metabolism, but strict matching of gender and age increases the difficulty and cost of the research. Therefore, the aim of this study was to solve it is necessary to strictly match age and gender in clinical research in bone metabolism.METHODS: A cross-sectional study was conducted from the data were extracted from the HIS of ZhuJiang Hospital. Data relating to seven bone turnover and metabolic indicators from 1036 patients between January 2018 and October 2019 were analyzed.RESULTS: P1NP, β-CTx and 25(OH)D were significant different in individuals younger than 20 years of age. ALP was significantly higher in those under 20 years of age and lower at age 20-39 compared with other age groups. The concentrations of Ca and P were different among the groups aged 0-19, 20-39, and 40-59 years of age groups but exhibited no difference above 60 years of age. PTH expression was not dependent on age. P1NP, β-CTx and PTH concentrations were not significantly different between the genders within the same age group. ALP was significantly different between genders within the age range 20-59 years. Ca and 25(OH)D were significantly different between the genders for those older than 60. Serum P was significantly different in the two genders for those aged 40-79. Patients received both alfacalcidol and calcium treatment differently from the others in P1NP, β-CTx, Serum Ca, P and ALP.CONCLUSION: P1NP and β-CTx were highly correlated with age. If these two indictors require analysis in a case control study, the patients and controls should be strictly matched by age under 20 years. The demarcation point for ALP was 40 years of age. Ca and P were strongly recommended strict matching according to age in disease research. The difference in P1NP, β-CTx, 25(OH)D and ALP between genders depends on age differences. Medication history should be considered in bone turnover and metabolic clinical research.

scholarly journals Interrelationship Between Age, Gender, and Weight Status on Motor Coordination in Italian Children and Early Adolescents Aged 6–13 Years Old

2021 ◽  
Vol 9 ◽  
Author(s):  
Giuseppe Battaglia ◽  
Valerio Giustino ◽  
Garden Tabacchi ◽  
Massimo Lanza ◽  
Federico Schena ◽  
...  
Keyword(s):  
Weight Status ◽  
Motor Coordination ◽  
Negative Impact ◽  
Age Groups ◽  
Cross Sectional Study ◽  
Normal Weight ◽  
School Students ◽  
Cross Sectional ◽  
Age And Gender ◽  
And Gender

Although numerous evidences reported a negative correlation between motor coordination (MC) and overweight/obesity in children and adolescents, the interrelationship between age, gender, and weight status is still debatable. Hence, the aim of this cross-sectional study was to examine the association between MC and weight status according to age and gender across childhood and early adolescence in a large sample of Italian elementary and middle school students. A number of 1961 Italian school students (1,026 boys, 935 girls) was stratified in three consecutive age groups (6–7, 8–10, and 11–13 years) and four weight status categories (underweight, normal weight, overweight, and obese) according to Cole's body mass index (BMI) cut-off points for children. MC performance was assessed measuring motor quotient (MQ) with the Körperkoordinationstest für Kinder (KTK). Results showed significantly lower MQ levels in children in overweight (OW) and with obesity (OB) in both sexes for all age groups than peers in normal weight (NW), except in 6–7-year-old boys. Girls in OW and with OB had similar MQ levels across all age groups, while younger boys in OW and with OB showed higher MQ levels than older ones (p &lt; 0.05). The 6–7-year-old boys showed better MQ levels than girls peers in NW, OW, and with OB, while 8–10-year-old boys in underweight (UW), NW, and OW; and 11–13-year-old boys only in NW (p &lt; 0.05). No interaction effect was found between age, gender, and weight status on MQ levels. These outcomes showed the negative impact of higher weight status on MC performance according to age and gender, pointing out the importance of planning targeted motor programs that consider these variables to improve MC performance.

scholarly journals Dental Treatment Need Among First-Visit Patients Of Dental Outpatient Clinic At IIUM Kuantan For The Year 2016

2017 ◽  
Vol 16 (2) ◽  
Author(s):  
Azlini Ismail ◽  
Zurainie Abllah ◽  
Nur Aishah Muhammad Radhi ◽  
Syazalina Musa ◽  
Mohd Firdaus Akbar Abdul Halim
Keyword(s):  
Outpatient Clinic ◽  
Dental Treatment ◽  
Age Groups ◽  
Cross Sectional Study ◽  
Chi Square ◽  
Cross Sectional ◽  
Age And Gender ◽  
Treatment Need ◽  
Human Ethics ◽  
And Gender

Introduction: This cross-sectional study aimed to determine association of age and gender with dental treatment need among first-visit patients at Dental Outpatient Clinic, IIUM Kuantan in 2016. Materials and Methods: Ethical approval (IREC 762) was obtained from IIUM Human Ethics Committee. List of first-visit patients who attended clinic from 1st January to 31st December 2016 was retrieved to assess patient's age and gender. Dental treatment need was determined according to the normative need which was professionally defined by dental-officer-in-charge. All first-visit patients were included, except those attended Orthodontic department or with old Malaysian identification card or foreign passport. Included patients were classified into six age groups (≤14, 15-19, 20-34, 35-44, 45-64 and ≥ 65). Pearson's chi square test was used for statistical analysis using SPSS Version 20 software. Results:  From a total number of 2,713 patients (age range of 2 to 87), 1,210 (44.6%) were males and 1,503 (55.4%) were females. Age (p<0.001) and gender (p<0.001) were significantly associated with dental treatment need. Paediatric patients (≤14) majorly received paedodontic care (97.5%). Young-age patients (15-19, 20-34 and 35-44) mostly required conservative care (39.5%, 31.2% & 30.6%, respectively) while elder-age patients (45-64 and ≥ 65) have major need for prosthodontics (30.0% & 40.2%, respectively). Females outnumbered males in all age groups, except for the age group of ≥ 65 whereby the situation was the opposite. Females also outnumbered males in all types of treatment need, except for periodontics which was predominated by males. Conclusion(s):  Age and gender have significant associations with treatment need for dental care.

scholarly journals Correlation between bone turnover and metabolic markers with age and gender: a cross-sectional study of hospital information system data

2020 ◽  
Author(s):  
Shao Ju ◽  
Shaosong Zhou ◽  
Yuan Qu ◽  
bibo liang ◽  
Qing-Hong Yu ◽  
...  
Keyword(s):  
Bone Turnover ◽  
Age Groups ◽  
Cross Sectional Study ◽  
Sectional Study ◽  
Cross Sectional ◽  
Age And Gender ◽  
Metabolic Markers ◽  
The Difference ◽  
Highly Correlated ◽  
And Gender

Abstract Background : Bone turnover and metabolic indicators are related to age and gender. Age and gender should be matched in subjects in disease control research of bone turnover and metabolism, but strict matching of gender and age increases the difficulty and cost of the research. Therefore, the aim of this study was to solve the question of whether it is necessary to strictly match age and gender in clinical research in bone metabolism. METHODS: Patient data were extracted from the HIS of ZhuJiang Hospital, Southern Medical University. From these data, a cross-sectional study was conducted. Data relating to seven bone turnover and metabolic indicators from 1036 patients between January 2018 and October 2019 were analyzed. A total of 156 patients aged under 20 were identified and analyzed separately. RESULTS: P1NP, β-CTx and VitD 3 were significant different in individuals younger than 20 years of age. ALP was significantly higher in those under 20 years of age and lower at age 20-39 compared with other age groups. The concentrations of Ca and P were different among the groups aged 0-19, 20-39, and 40-59 years of age groups but exhibited no difference above 60 years of age. PTH expression was not dependent on age. P1NP, β-CTx and PTH concentrations were not significantly different between the genders within the same age group. ALP was significantly different between genders within the age range 20-59 years. Ca and VitD 3 were significantly different between the genders for those older than 60. Serum P was significantly different in the two genders for those aged 40-79. CONCLUSION: P1NP and β-CTx were highly correlated with age. If these two indictors require analysis in a case control study, the patients and controls should be strictly matched by age under 20 years. The demarcation point for ALP was 40 years of age. Ca and P were strongly recommended strict matching according to age in disease research. The difference in P1NP, β-CTx, VitD3 and ALP between genders depends on age differences.

CONCENTRATION OF THE SERUM TGF-BETA1 IN HEALTHY ADULT PEOPLE

2014 ◽  
pp. 90-93
Author(s):  
Van Tuan Nguyen ◽  
Tam Vo ◽  
Bui Bao Hoang
Keyword(s):  
Transforming Growth Factor ◽  
Healthy Adult ◽  
Age Groups ◽  
Elevated Serum ◽  
Cross Sectional Study ◽  
Healthy People ◽  
Sectional Study ◽  
Transforming Growth Factor Beta1 ◽  
Cross Sectional ◽  
And Gender

Elevated serum Transforming growth factor-beta1 (TGF-beta1) levels have been linked to tissue fibrosis including chronic kidney disease. Objectives: (1) Investigate serum TGF-beta1 levels in healthy adult people and (2) Examined the relation between serum TGF-beta1 level and gender, age, body mass index (BMI). Method: A cross-sectional study. TGF-beta1 were quantified by ELISA. Results: Levels of serum TGF-beta1 in healthy people were 13,45 ± 7,17 ng/mL mL (0,59 - 33,10 ng/mL). There are no difference of serum TGF-beta1 levels between men and women, between the age groups (<40 years, 40 to < 60 years and ≥ 60 years), between BMI groups < 23 and BMI group ≥ 23. Key words: TGF-beta1, healthy people

Evaluation of the Fibromyalgia and Related Risk Factors in Patients with Advanced Kidney Failure Undergoing Hemodialysis

2021 ◽  
Vol 17 ◽  
Author(s):  
Seyed Mostafa Seyedmardani ◽  
Saeed Abkhiz ◽  
Azadeh Megrazi ◽  
Aarefeh Jafarzade ◽  
Golshan Kamali Zonouz
Keyword(s):  
Risk Factors ◽  
Kidney Failure ◽  
Fibromyalgia Syndrome ◽  
Cross Sectional Study ◽  
Hemodialysis Patients ◽  
Cross Sectional ◽  
Age And Gender ◽  
Significant Difference ◽  
Symptom Severity Score ◽  
And Gender

Background : Fibromyalgia syndrome (FMS) is defined as widespread and persistent pain in the musculoskeletal system. There are limited reports regarding the prevalence of fibromyalgia syndrome in patients with advanced kidney failure undergoing regular hemodialysis. Therefore, this study aimed to evaluate the prevalence of fibromyalgia syndrome and its risk factors in a large proportion of patients under the hemodialysis condition. Materials and Methods: In this cross-sectional study, 293 patients who were admitted to the hemodialysis ward were evaluated for fibromyalgia syndrome in an educational hospital. The questionnaire was designed according to symptom severity score (SS score) and widespread pain index (WPI) criteria. The correlation between FMS and various variables, including demographic, clinical, and biochemistry biomarkers, was also precisely calculated by logistic regression. Data were analyzed using SPSS v.17 statistics software. Results: The results showed that, of 293 hemodialysis patients, 130 patients (44.4%) had fibromyalgia, the mean age of patients with and without fibromyalgia was 61.09 ± 15.36 and 53.49 ± 15.38 years old, respectively (P = 0.001). Moreover, there was a significant difference in terms of gender among patients with fibromyalgia syndrome (P = 0.001). To note, there was no significant relationship between the kidney failure etiopathogenesis, duration of dialysis, body mass index (BMI), Kt/v index, history of peritoneal dialysis, and laboratory parameters with fibromyalgia in hemodialysis patients (P > 0.05). However, our findings revealed that both age and gender could be considered as the predictor variables associated with fibromyalgia in patients undergoing hemodialysis. Conclusion: Taken together, in this study, we found that age and gender would be the critical factors in terms of the fibromyalgia syndrome in patients undergoing hemodialysis.

Prevalence of Colorectal Carcinoma With Respect to Age and Gender

2021 ◽  
Vol 15 (12) ◽  
pp. 3198-3199
Author(s):  
Pervez Muhammad ◽  
Sajjad Muhammad ◽  
Muhammad Tariq ◽  
Amir Khan ◽  
Akhtar Munir ◽  
...  
Keyword(s):  
Colorectal Carcinoma ◽  
Colorectal Adenocarcinoma ◽  
Cross Sectional Study ◽  
Medical Institute ◽  
Cross Sectional ◽  
Age And Gender ◽  
Medical College ◽  
Gender Study ◽  
The Mean ◽  
And Gender

Aim: Prevalence of colorectal carcinoma with respect to age and gender Study design: Observational / cross sectional study. Place and duration of study: This study was conducted at the Department of Pathology and Surgery, Post Graduate Medical Institute Lahore and Jinnah Medical College Peshawar from July, 2013 to February, 2015 Methodology: Surgical specimens of 60 histopathologically diagnosed cases of colorectal adenocarcinoma were included in this study. Age and sex were evaluated in CRC. Results: The mean±sd of age was 54.4±19.7 yrs. Out of 60 cases, 6 (10%) were between 16-29 yrs, 9 (15%) cases were between 30-49 yrs, 34 cases (56.7%) were of 50-69 yrs and 11 cases (18.33%) were of 70 yrs. Out of sixty cases, males were 33 (55%) and females were 27(45%). Conclusion: There are 34 out of 60(56.7%) patients were 50-69 years and 33 out of 60 (55%) cases were males i.e. males dominance. Keywords: Colorectal adenocarcinoma, immunohistochemistry, gender

scholarly journals Functional capacity, pulmonary and respiratory muscle strength in individuals undergoing hemodialysis

2016 ◽  
Vol 29 (2) ◽  
pp. 343-350 ◽  
Author(s):  
Simone Regina Posser ◽  
Sheila Cristina Cecagno-Zanini ◽  
Fabiana Piovesan ◽  
Camila Pereira Leguisamo
Keyword(s):  
Muscle Strength ◽  
Functional Capacity ◽  
Respiratory Muscle ◽  
Respiratory Muscles ◽  
Cross Sectional Study ◽  
Respiratory Muscle Strength ◽  
Cross Sectional ◽  
Mean Values ◽  
Pressure Meter ◽  
And Gender

Abstract Introduction: Individuals with chronic kidney disease (CKD) undergoing hemodialysis (HD) present low cardiorespiratory fitness and functional capacity. Metabolic changes, due to the disease, can result in a variety of pathophysiological conditions that favor the development of respiratory muscle weakness. However, very little is known about the performance of the respiratory muscles and the influence of HD on them. Aim: To evaluate and correlate pulmonary function, functional capacity and respiratory muscle strength in patients with CKD undergoing HD. Methods: Cross-sectional study comprising 23 patients with CKD, that met the following inclusion criteria: patients of both genders, who perform HD three times a week for a minimum period of three months. Respiratory muscle strength was evaluated using a respiratory pressure meter, lung function through spirometry and functional capacity through the 6-minute walk test (6MWT) before the HD session. Results: All patients were male and mean age was 50.2 ± 15.8 years. The median duration of HD was 3 (1.5 to 6.0) years. The mean values obtained in comparison to those predicted were MIP% 36.0 ± 13.6, MEP% 49.5 ± 15.8, FVC% 93.8 ± 21.1, FEV1% 93.7 ± 21.1, FVC/VEF1% 104.1 ± 10.3, and 6MWT% 66.33 ± 20.53. A statistically significant positive correlation was observed between the 6MWT and MIP (r = .63, p =.001) and MEP (r = .67, p < .001), between the MIP and MEP (r =.79, p < .001) and between the FEV1 and FVC (r = .91, p < .001). Conclusion: Patients with CKD undergoing HD present changes in respiratory muscle strength, with the predicted values decreasing for age and gender, as well as the distance covered in the 6MWT, although, with normal spirometric values. Functional capacity was dependent on respiratory muscle strength, as well as the values of MIP and MEP, and the values of FVC and FEV1.

Sign in / Sign up

Export Citation Format

Share Document