Predictors of Metabolic Syndrome in the Iranian Population: Waist Circumference, Body Mass Index, or Waist to Hip Ratio?

Table 3

Cut points for areas under the ROC curve, sensitivity and specificity of WC, BMI, and WHR by age groups.

	AURC (95% CI)	𝑃 value	Cut-off	Sensitivity (95% CI)	Specificity (95% CI)
Age of 40–49 years
WC	0.78 (0.69–0.86)	<0.001	88.5	83.3%	52.5%
BMI	0.71 (0.62–0.81)	<0.001	27.5	79.2%	50.0%
WHR	0.71 (0.63–0.80)	<0.001	0.88	81.3%	57.5%
Age of 50–59 years
WC	0.84 (0.79–0.90)	<0.001	89.0	89.5%	62.0%
BMI	0.79 (0.73–0.85)	<0.001	27.5	81.0%	62.0%
WHR	0.79 (0.73–0.86)	<0.001	0.89	85.5%	53.7%
Age of  ≥60 years
WC	0.78 (0.70–0.85)	<0.001	92.0	81.4%	55.8%
BMI	0.77 (0.70–0.84)	<0.001	28.8	80.0%	61.6%
WHR	0.76 (0.68–0.83)	<0.001	0.93	82.9%	52.3%