Optimal waist circumference cut-off points for predicting metabolic syndrome among low-income black South African adults.
BMC Res Notes
; 11(1): 22, 2018 Jan 12.
Article
em En
| MEDLINE
| ID: mdl-29329600
ABSTRACT
OBJECTIVE:
Waist circumference has been identified as one of the strongest predictive tool for metabolic syndrome. This study determines the optimal cut-off point of waist circumference for metabolic syndrome among low-income earning South African black population, in Eastern Cape, South Africa. The optimal waist circumference cut-off point was determined through receiver operating characteristics analysis using the maximum Youden index.RESULTS:
Among men, waist circumference at a cut-off value of 95.25 cm yielded the highest Youden index of 0.773 (sensitivity = 98%, specificity = 79%, area under curve 0.893). For women, waist circumference of 89.45 cm yielded the highest Youden index of 0.339 (sensitivity = 88%, specificity = 46%, area under curve 0.713). The prevalence of metabolic syndrome among men, women and both sexes using the new cut-off points were 17.8, 20.8 and 17.7%, respectively, compared to; 15.6, 24.8 and 21.8%, using the traditional cut-off values of 94 and 80 cm for men and women, respectively. The traditional waist circumference value slightly under-estimated the prevalence of metabolic syndrome among men and over-estimated among women and the overall population. A specific waist circumference cut-off point for South African blacks is needed for correct identification of the metabolic state of the populace in order to develop appropriate interventions.Palavras-chave
Texto completo:
1
Base de dados:
MEDLINE
Assunto principal:
Pobreza
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Síndrome Metabólica
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População Negra
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Circunferência da Cintura
Tipo de estudo:
Prognostic_studies
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Risk_factors_studies
Limite:
Adolescent
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Adult
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Aged
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Female
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Humans
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Male
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Middle aged
País como assunto:
Africa
Idioma:
En
Ano de publicação:
2018
Tipo de documento:
Article