Table 3

Area under the curve (AUC) and cut-off values for waist-to-height ratio (WHtR) according to gender and age groups

Age group (years)nPrevalence of MetS (%)*AUC 95% CICut-off valueSensitivity (%)Specificity (%)JI
Men
 20–3068253.10.92 (0.9 to 0.95)0.5580.393.40.74
 31–4011 6237.50.88 (0.86 to 0.89)0.5577.488.10.65
 41–5010 08014.90.82 (0.81 to 0. 83)0.5666.487.70.54
 ≥51665923.10.75 (0.74 to 0.77)0.5658.983.00.42
 Total34 82711.80.84 (0.83 to 0.85)0.5666.788.80.56
Women
 20–3057151.10.90 (0.85 to 0.95)0.5182.084.00.74
 31–4085292.70.91 (0.89 to 0.93)0.5380.390.80.71
 41–5076416.60.91 (0.89 to 0.93)0.5380.390.80.71
 ≥51408714.40.75 (0.73 to 0.77)0.5548.490.50.39
 Total25 9725.40.85 (0.84 to 0.86)0.5365.188.70.54
Total
 20–3012 5402.10.92 (0.9 to 0.94)0.5384.490.10.75
 31–4019 7925.50.90 (0.89 to 0.910.5478.288.50.67
 41–5017 72111.30.83 (0.82 to 0.84)0.5469.684.30.54
 ≥5110 74619.80.76 (0.75 to 0.77)0.5657.085.30.42
 Total60 7999.00.85 (0.84 to 0.86)0.5468.587.00.56
  • *MetS according to NCEP ATP III criterion.

  • JI, Youden Index; MetS, metabolic syndrome.