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Table 2 Triglyceride, HDL and waiste circumference cutoffs and respective sensitivity and specificity of MS diagnosis according to NCEP-ATP III and IDF classifications.

From: Elevated serum triglycerides is the strongest single indicator for the presence of metabolic syndrome in patients with type 2 diabetes

Cutoffs NCEP-ATP III IDF
TGC (mg/dl) SENS (%) SPEC (%) PPV (%) NPV (%) SENS (%) SPEC (%) PPV (%) NPV (%)
120 70 70 85 47 67 66 89 31
130 66 77 88 46 60 71 90 29
140 61 88 92 46 55 81 93 29
150 53 92 95 42 47 100* 100* 21
HDL (mg/dl) Females SENS (%) SPEC (%) PPV (%) NPV (%) SENS (%) SPEC (%) PPV (%) NPV (%)
50 53 93 93 34 49 100* 100* 20
55 71 66 89 38 67 62 92 29
60 87 48 86 50 84 31 90 31
Waist (cm) Females SENS (%) SPEC (%) PPV (%) NPV (%) SENS (%) SPEC (%) PPV (%) NPV (%)
90 97 52 88 82     
95 83 67 90 55     
98 79 72 90 41 **
100 71 75 90 41     
102 57 77 90 32     
  1. *Patients fulfill three IDF criteria.
  2. **No AUCs calculated, because central obesity is a prerequisite for MS diagnosis with IDF criteria.