Table 2 Sensitivity, specificity, PPV and NPV corresponding to different waist circumference cut-offs
From: Waist circumference a good indicator of future risk for type 2 diabetes and cardiovascular disease
Cut-off | Percentile | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|---|
cm | % | % | % | % | |
92 | 38.8 | 88.1 | 62.1 | 74.4 | 80.6 |
93 | 43.4 | 85.3 | 69.0 | 77.5 | 78.9 |
94 | 47.4 | 84.4 | 78.2 | 82.9 | 80.0 |
95 | 51.0 | 79.8 | 81.6 | 84.5 | 76.3 |
96 | 57.1 | 74.3 | 82.8 | 84.4 | 72.0 |
97 | 59.2 | 65.1 | 85.1 | 84.5 | 66.1 |
98 | 63.8 | 64.2 | 88.5 | 87.5 | 66.4 |
99 | 66.3 | 57.8 | 90.8 | 88.7 | 63.2 |
100 | 71.9 | 53.2 | 90.8 | 87.9 | 60.8 |
101 | 75.5 | 46.8 | 95.4 | 92.7 | 58.9 |
102 | 77.6 | 41.3 | 96.6 | 93.8 | 56.8 |