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Table 2 Predictive ability of obesity indices for hypertension

From: Obesity indices predict hypertension among indigenous adults in Krau Wildlife Reserve, Peninsular Malaysia

  AUC [95% CI] Optimal cut-off pointa Youden index Sensitivity (%) Specificity (%)
Men
 BMI 0.55 [0.47, 0.64]b,c 23.54 0.15 51.4 64.1
 WC 0.65 [0.57, 0.73] 76.0 0.32 62.9 69.3
 WHtR 0.66 [0.59, 0.74] 0.45 0.27 84.3 42.5
 WHR 0.65 [0.57, 0.72] 0.81 0.30 81.4 49.0
Women
 BMI 0.59 [0.50, 0.67]b 24.72 0.25 58.5 67.0
 WC 0.61 [0.53, 0.69] 75.0 0.29 69.8 58.7
 WHtR 0.60 [0.52, 0.68] 0.52 0.18 62.3 55.8
 WHR 0.67 [0.60, 0.74] 0.82 0.37 79.2 57.3
  1. aThe established obesity cut-off points are 30 kg/m2 for BMI, 90 cm (men) and 80 cm (women) for WC, 0.5 for WHtR, 0.9 (men) and 0.85 (women) for WHR
  2. bAUCs for all obesity indices except BMI were significantly different from 0.50
  3. cAUC for BMI of men was significantly lower than WC and WHtR (p < 0.01) and WHR (p < 0.05)