scholarly journals What are the optimal cut-off points of anthropometric indices for prediction of overweight and obesity? Predictive validity of waist circumference, waist-to-hip and waist-to-height ratios

2020 ◽  
Vol 10 (2) ◽  
pp. 142-147 ◽  
Author(s):  
Helda Tutunchi ◽  
Mehrangiz Ebrahimi-Mameghani ◽  
Alireza Ostadrahimi ◽  
Mohammad Asghari-Jafarabadi
Keyword(s):  
Waist Circumference ◽  
Roc Curve ◽  
Predictive Ability ◽  
Diagnostic Value ◽  
Cross Sectional Study ◽  
Overweight And Obesity ◽  
Roc Curve Analysis ◽  
Anthropometric Indices ◽  
Cross Sectional ◽  
Anthropometric Indicators

Background: Planning for obesity prevention is an important global health priority. Our aim in this study was to find the optimal cut-off points of waist circumference (WC), waist- to- hipratio (WHR) and waist- to- height ratio (WHtR), as three anthropometric indices, for prediction of overweight and obesity. We also aimed to compare the predictive ability of these indices to introduce the best choice. Methods: In this cross-sectional study, a total of 500 subjects were investigated. Anthropometric indicators were measured using a standard protocol. We considered body mass index (BMI) as the simple and most commonly used index for measuring general obesity as the comparison indicator in the present study to assess the diagnostic value for other reported obesity indices.We also performed receiver operating characteristic (ROC) curve analysis to define the optimal cut-off points of the anthropometric indicators and the best indices for overweight and obesity. Results: The proposed optimal cut-offs for WC, WHtR, and WHR were 84 cm, 0.48 and 0.78for women and 98 cm, 0.56 and 0.87 for men, respectively. The area under the ROC curve ofWHtR (women: AUC=0.97, 95% CI: 0.96-0.99 vs. men: AUC=0.97, 95%CI: 0.96-0.99) and WC(women: AUC=0.97, 95% CI, 0.95-0.99 vs. men: AUC=0.98, 95% CI: 0.97-0.99) were greater than WHR (women: AUC=0.79, 95% CI =0.74-0.85 vs. men: AUC=0.84, 95% CI=0.79-0.88). Conclusion: This study demonstrated that the WC and WHtR indicators are stronger indicators compared to the others. However, further studies using desirable and also local cutoffs against more accurate techniques for body fat measurement such as computerized tumor (CT) scans and dual-energy x-ray absorptiometry (DEXA) are required.

scholarly journals Sensitivity and specificity of waist circumference as a single screening tool for assessment of overweight and obesity

2017 ◽  
Vol 4 (11) ◽  
pp. 4254
Author(s):  
Anubrata Karmakar ◽  
Shobhit Garg ◽  
Aparajita Dasgupta ◽  
Bobby Paul ◽  
Swanya P. Maharana
Keyword(s):  
Waist Circumference ◽  
Sensitivity And Specificity ◽  
Roc Curve ◽  
Screening Tool ◽  
Cross Sectional Study ◽  
Overweight And Obesity ◽  
Curve Analysis ◽  
Roc Curve Analysis ◽  
Public Health Perspective ◽  
Cross Sectional

Background: Generalised and central obesity are established risk factors for metabolic syndrome and cardiovascular diseases. Easy assessment of overweight or obesity is the need of the hour from public health perspective. Waist circumference (WC) can be a simple screening tool for identifying overweight individuals since measuring WC is simple, inexpensive, less time consuming, convenient for self-monitoring and needs no complicated calculation as BMI.Methods: A community based cross-sectional study was conducted in January-February 2017 among 338 adults, in a village of Singur Block, West Bengal. Height, weight and WC were measured for each subject. Receiver Operating Characteristic (ROC) curve analysis was used to estimate the cut-off values of WC.Results: The sensitivity and specificity of WC ≥90 centimeters for men for identifying overweight (BMI ≥25) were 78.8% and 75.6% respectively, whereas those of WC ≥80 cm for women were 80.3% and 44% respectively. ROC curve analysis revealed good diagnostic accuracy at 88.5 cm for WC cut-off for men (area under curve (AUC) 0.854, sensitivity 86.5%, specificity 67.6%) and fair accuracy (AUC 0.744, sensitivity 80.3%, specificity 44%) for WC cut-off for 80 cm for women.Conclusions: This study shows, WC can be used for screening of overweight individual infield practice as measuring tape is inexpensive and easy-to-carry compared to a weighing scale. More research may be done on larger sample size to establish an optimal WC cut-off value for Indian population. 

scholarly journals Using N-terminal pro-B-type natriuretic peptide to diagnose cardiac abnormalities in children with dyspneaen with dyspnea

2017 ◽  
Vol 57 (3) ◽  
pp. 124
Author(s):  
Zakaria Mukalla ◽  
Ria Nova ◽  
Legiran Legiran ◽  
Yangtjik Yangtjik
Keyword(s):  
Roc Curve ◽  
Diagnostic Value ◽  
Cross Sectional Study ◽  
Cardiac Abnormality ◽  
Roc Curve Analysis ◽  
Cross Sectional ◽  
Cardiac Abnormalities ◽  
Significant Difference ◽  
Heart Abnormalities ◽  
Auc Value

Background. Dyspnea could be caused by various reason, one of which is the presence of cardiac abnormality. Physical examination sometimes difficult to distinguish breath caused by heart abnormalities, especially small children, so we need another way to find out.Objective. To evaluate whether the examination of NT-proBNP levels can be used as a screening tool to diagnose cardiac abnormality in children presenting with dyspnea.Methods. A Cross sectional study was conducted from August to October 2015 on pediatric patients aged 1 month to 18 years presenting with dyspnea in pediatric ward Mohammad Hoesin Hospital Palembang. All subjects performed blood sampling for NT-proBNP examination and echocardiography to assess the presence of cardiac abnormalities. The diagnostic value analyzed by ROC curve, and determined the optimal cut-off point, sensitivity and specificity. Result. We obtained 58 subjects with median age 9.5 (1-180) months, consisted of 39 subjects with cardiac abnormalities and 19 subjects without cardiac abnormality. There is a significant difference (p = 0.002) of NT-proBNP levels in both groups with a median  1,775 (189-9,000) pg/ml vs 759 (245-9,000) pg/ml. In ROC curve analysis, AUC value was 0.75, and at the optimal cut-off point 1,235 pg/ml, sensitivity was 74.4% and specificity was 73.7%.Conclusion. The level of NT-proBNP can be used to diagnose cardiac abnormalities in children presenting with dyspnea.

scholarly journals Diagnostic Performance and Appropriate Cut-Offs of Different Anthropometric Indicators for Detecting Children with Overweight and Obesity

2021 ◽  
Vol 2021 ◽  
pp. 1-11
Author(s):  
Muhammad Asif ◽  
Muhammad Aslam ◽  
Kalim Ullah ◽  
Muhammad Qasim ◽  
Khurram Afzal ◽  
...  
Keyword(s):  
Roc Curve ◽  
Area Under The Curve ◽  
Overweight And Obesity ◽  
Clinical Settings ◽  
Height Ratio ◽  
Roc Curve Analysis ◽  
Cross Sectional ◽  
Predictive Values ◽  
Anthropometric Indicators ◽  
Obesity In Children

In the clinical settings, different anthropometric indicators like neck circumference (NC), waist circumference (WC), midupper arm circumference (MUAC), waist-to-height ratio (WHtR), and arm-to-height ratio (AHtR) have been suggested for evaluating overweight and obesity in children. The comparative ability of these indicators in Pakistan is yet unknown. This study is aimed at examining the validity of different anthropometric indicators of overweight and obesity simultaneously and at determining their superlative cut-off values that would correctly detect overweight and obesity in children. For this purpose, the dataset of anthropometric measurements height, weight, WC, MUAC, and NC of 5,964 Pakistani children, aged 5-12 years collected in a cross-sectional multiethnic anthropometric survey (MEAS), was used. Receiver operating characteristic (ROC) curve analysis was performed to assess the validity of different anthropometric indicators. The most sensitive and specific cut-off points, positive and negative predictive values of each indicator were also calculated. The results of the ROC curve indicated that all the studied indicators had a good performance but the indicators AHtR and WHtR had the highest value of the area under the curve (AUC) for the screening of children with overweight and obesity ( AUC > 0.80 ). In the overall sample, AHtR, WHtR, MUAC, WC, and NC cut-off points indicative of overweight, in both boys and girls, were 0.14, 0.46, 18.41 cm, 62.86 cm, and 26.36 cm and 0.14, 0.47, 18.16 cm, 64.39 cm, and 26.54 cm, respectively; the corresponding values for obesity were 0.14, 0.47, 18.67 cm, 62.10 cm, and 26.36 cm and 0.14, 0.48, 20.19 cm, 64.39 cm, and 25.27 cm. We concluded that the sex-specific cut-off points for AHtR, WHtR, MUAC, WC, and NC can be used to diagnose overweight and obesity in Pakistani children.

Serum diiodotyrosine—a biomarker to differentiate destructive thyroiditis from Graves’ disease

2021 ◽  
Author(s):  
Naoya Fujita ◽  
Yosuke Ono ◽  
Azusa Sano ◽  
Motohiro Kimata ◽  
Seigo Oyama ◽  
...  
Keyword(s):  
Roc Curve ◽  
Operating Characteristic ◽  
Cross Sectional Study ◽  
Curve Analysis ◽  
Diagnostic Methods ◽  
Graves Disease ◽  
Roc Curve Analysis ◽  
Cross Sectional ◽  
Chromatography Tandem Mass Spectrometry ◽  
Liquid Chromatography Tandem Mass

Objective: Conventional diagnostic methods are limited in their ability to differentiate destructive thyroiditis from Graves’ disease. We hypothesised that serum diiodotyrosine (DIT) and monoiodotyrosine (MIT) levels could be biomarkers for differentiating destructive thyroiditis from Graves’ disease. Design: Patients with destructive thyroiditis (n = 13) and Graves’ disease (n = 22) were enrolled in this cross-sectional study. Methods: We assayed the serum DIT and MIT levels using liquid chromatography-tandem mass spectrometry. A receiver operating characteristic (ROC) curve analysis was used to determine the sensitivity and specificity of the serum DIT and MIT levels as biomarkers for differentiating destructive thyroiditis from Graves’ disease. Results: The serum DIT and MIT levels were significantly higher in patients with destructive thyroiditis than in those with Graves’ disease. The ROC curve analysis showed that the serum DIT levels (≥ 359.9 pg/mL) differentiated destructive thyroiditis from Graves’ disease, significantly, with 100.0% sensitivity and 95.5% specificity (P < .001). The diagnostic accuracy of the serum MIT levels (≥119.4 pg/mL) was not as high as that of the serum DIT levels (sensitivity, 84.6%; specificity, 77.3%; P = .001). Conclusions: The serum DIT levels may serve as a novel diagnostic biomarker for differentiating destructive thyroiditis from Graves’ disease.

Prevalence of self-reported versus diagnosed dentinal hypersensitivity: a cross-sectional study and ROC curve analysis

2019 ◽  
Vol 77 (3) ◽  
pp. 219-223 ◽  
Author(s):  
Nayara Franciele Figueiredo Barroso ◽  
Polyana Matos Alcântara ◽  
Adriana Maria Botelho ◽  
Dhelfeson Willya Douglas-de-Oliveira ◽  
Patrícia Furtado Gonçalves ◽  
...  
Keyword(s):  
Roc Curve ◽  
Cross Sectional Study ◽  
Curve Analysis ◽  
Sectional Study ◽  
Roc Curve Analysis ◽  
Cross Sectional ◽  
Dentinal Hypersensitivity

scholarly journals Neck Circumference as an Anthropometric Indicator of Central Obesity in Patients with Prediabetes: A Cross-Sectional Study

2019 ◽  
Vol 2019 ◽  
pp. 1-8 ◽  
Author(s):  
Thunyarat Anothaisintawee ◽  
Nakarin Sansanayudh ◽  
Sangsulee Thamakaison ◽  
Dumrongrat Lertrattananon ◽  
Ammarin Thakkinstian
Keyword(s):  
Waist Circumference ◽  
Central Obesity ◽  
Cross Sectional Study ◽  
Neck Circumference ◽  
Youden Index ◽  
Sectional Study ◽  
Roc Curve Analysis ◽  
Cross Sectional ◽  
Pairwise Correlation ◽  
Glucose Levels

Measurement of waist circumference has substantial variability and some limitations, while neck circumference is a simple and reliable anthropometric measure. This study aimed to assess the association between neck circumference and waist circumference and to identify the best cutoff of neck circumference that could predict central obesity in prediabetic patients. This cross-sectional study included adult patients with prediabetes, defined as having fasting plasma glucose levels ranging from 100 to 125 mg/dL or HbA1c ranging from 5.7 to 6.49%, who visited the outpatient clinic of Family Medicine Department, Ramathibodi Hospital, Thailand, during October 2014 and March 2016. Neck circumference was measured from the level just below the laryngeal prominence perpendicular to the long axis of the neck. Central obesity was defined as having waist circumference measurements greater than 90 and 80 cm for males and females, respectively. The correlation between neck circumference and waist circumference was explored by applying pairwise correlation coefficient. Receiver operating characteristic (ROC) curve analysis was performed and Youden index equal to “sensitivity – (1-specificity)” was calculated. Neck circumference that yielded the maximum Youden index was determined as the optimal cutoff point for prediction of central obesity. There were 1,534 patients eligible for this study. After adjusting for covariables, neck circumference was found to be significantly associated with waist circumference in both females and males, with β-coefficients of 1.01 (95% CI: 0.83, 1.20) and 0.65 (95% CI: 0.46, 0.85), respectively. After applying the ROC analysis, neck circumferences ≥ 32 cm in females and ≥ 38 cm in males were determined as the best cutoff values to predict central obesity. Neck circumference is strongly correlated with waist circumference in prediabetics and should be considered as an alternative to the waist circumference measurement in screening for central obesity.

Gender comparisons of adolescents’ anthropometry and blood pressure in Osun State, South-Western Nigeria

2015 ◽  
Vol 27 (3) ◽  
pp. 247-251 ◽  
Author(s):  
Bridget Omisore ◽  
Akinlolu G. Omisore ◽  
Emmanuel Akintunde Abioye-Kuteyi
Keyword(s):  
Blood Pressure ◽  
Cross Sectional Study ◽  
Overweight And Obesity ◽  
Female Adolescents ◽  
Anthropometric Indices ◽  
Cross Sectional ◽  
Multi Stage ◽  
Blood Pressures ◽  
Males And Females ◽  
The Mean

Abstract Background: Adolescents are in their formative years, and they experience several changes including anthropometric changes. Significant weight gain occurs in adolescence, and increasingly, obesity and consequent increase in blood pressure (BP) are found in adolescents. Objective: This study compared anthropometric and BP measurements in male and female adolescents. Methods: A cross-sectional study of 1000 adolescents (510 males and 490 females) were selected by multi-stage sampling from eight secondary schools. Pertinent information was collected with the aid of a structured questionnaire, anthropometric and blood pressure measurements. Data were analyzed using SPSS 16.0 version, and the means of anthropometric indices and blood pressures in males and females were compared using independent t-test. Results: The mean age for male respondents was 13.83 years (SD 2.12) and for females 13.62 (SD 1.96). Generally, anthropometric indices gradually increased from the lower ages to the higher ages in both males and females. The mean height was the same for both males and females (1.54 m), while the mean weight, body mass index (BMI), and waist circumference were significantly higher in females than in males (p<0.05). A significantly higher proportion of females compared with males were overweight (10.2%, 5.3%) and obese (3.9%, 2.0%), respectively. The overall prevalence of “hypertension,” was 4.1% and more females (70.7%) had “hypertension” than males (29.3%). Conclusion: Females were heavier and constituted the greater proportion of those who had elevated BP. Adequate attention needs to be given to the challenging problems of overweight and obesity to forestall development of hypertension in adolescents, especially female adolescents.

scholarly journals Dietary inflammatory index (DII) may be associated with hypertriglyceridemia waist circumference phenotype in overweight and obese Iranian women: a cross sectional study

2021 ◽  
Vol 14 (1) ◽  
Author(s):  
Atefeh Tavakoli ◽  
Atieh Mirzababaei ◽  
Hanieh Moosavi ◽  
Sanaz Mehranfar ◽  
Seyed-Ali Keshavarz ◽  
...  
Keyword(s):  
Waist Circumference ◽  
Cross Sectional Study ◽  
Overweight And Obesity ◽  
Dietary Inflammatory Index ◽  
Obese Women ◽  
Obese People ◽  
Cross Sectional ◽  
Inflammatory Index ◽  
Hypertriglyceridemic Waist ◽  
Positive Significant Correlation

Abstract Objective Recent studies have shown that increased dietary inflammatory index (DII) score or consumption of pro-inflammatory foods can lead to increased waist circumference (WC) as well as triglyceride (TG) concentrations in obese people. The purpose of this study is to examine the association between DII and hypertriglyceridemic waist circumference phenotype (HTGWCP) in women with overweight and obesity. Results There was a positive significant correlation between DII and HTGWCPs. In other words, with an increase in DII score or higher consumption of pro-inflammatory foods, the odds of having abnormal phenotypes including; enlarged waist normal TG (EWNT) (OR = 2.85, 95% CI 1.02 to 7.98, P for trend = 0.04), normal waist enlarged TG (NWET) (OR = 5.85, 95% CI 1.1 to 31.11, P for trend = 0.03) and enlarged waist enlarged TG (EWET) (OR = 3.13, 95% CI 0.95 to 10.27, P for trend = 0.05) increase compared to normal waist normal TG (NWNT) phenotype. In conclusion; increasing DII scores can increase abnormal phenotypes and therefore may increase WC and TG levels in overweight and obese women.

scholarly journals Nutritional Status and Anthropometric Indices in relation to Menstrual Disorders: A Cross-Sectional Study

2020 ◽  
Vol 2020 ◽  
pp. 1-7
Author(s):  
Reihaneh Taheri ◽  
Fakhrodin Mesbah Ardekani ◽  
Hadi Raeisi Shahraki ◽  
Neda Heidarzadeh-Esfahani ◽  
Salimeh Hajiahmadi
Keyword(s):  
Waist Circumference ◽  
Dietary Habits ◽  
Skinfold Thickness ◽  
Cross Sectional Study ◽  
Dietary Habit ◽  
Sectional Study ◽  
Menstrual Disorders ◽  
Anthropometric Indices ◽  
Cross Sectional ◽  
Irregular Menstruation

Purpose. Dietary habit and body composition can develop risk of menstrual disorders. The objective of this study was to assess the relationship between macronutrient intake, anthropometric indices, and menstrual disorders. Methods. This cross-sectional study was conducted on 217 women with an average age of 28.8 ± 7.9 years. Anthropometric indices including body mass index (BMI), waist circumference (WC), waist-to-hip ratio (WHR), and skinfold thickness from all participants were measured. Menstrual cycle characteristics were self-reported. The dietary habits were assessed by using a modified, semiquantitative 147 items Food Frequency Questionnaire (FFQ) by two trained dietitians. Chi-square and independent T-test were used to assess bivariate associations and logistic regression was implemented in SPSS 21. Results. Most of the participants (52.5%) suffered from at least one of the menstrual disorders including painful menstruation (41%), premenstrual syndrome (PMS) (24.9%), and irregular menstruation (22.1%). The mean of waist circumference in women with no complication was 76.0 ± 11.8 and in women with at least one disorder was 86.7 ± 14.0 ( P < 0.001 ). Our results suggest that women with no disorder consumed less calorie, carbohydrate, protein, and fat in comparison to women with at least one disorder ( P < 0.001 ). Furthermore, the proportion of all kinds of disorders among women, who had overweight or obesity, was significantly higher than women with normal BMI ( P < 0.001 ). Conclusion. Irregular menstruation, painful menstruation, and PMS were significantly associated with high intake of calories, proteins, carbohydrates, and total fat. Furthermore, menstruation-related complications were worsened by obesity.

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