Table 3 Diagnostic accuracy of indicators for NAFLD in overweight and obese PCOS patients
Variables | AUC (95% CI) | P-value | Cut-off value | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|---|---|---|
BMI (kg/m2) | 0.761 (0.658–0.864) | < 0.001 | 26.8 | 79.7% (47/59) | 64.3% (18/28) | 82.5% (47/57) | 60.0% (18/30) |
AC (cm) | 0.721 (0.609–0.833) | 0.001 | 88.3 | 76.3% (45/59) | 57.1% (16/28) | 78.9% (45/57) | 53.3% (16/30) |
Triglyceride (mmol/L) | 0.738 (0.620–0.856) | < 0.001 | 1.57 | 71.2% (42/59) | 75.0% (21/28) | 85.7% (42/49) | 55.3% (21/38) |
TC (mmol/L) | 0.670 (0.546–0.793) | 0.011 | 4.67 | 69.5% (41/59) | 64.3% (18/28) | 80.4% (41/51) | 50.0% (18/36) |
HDL-C (mmol/L) | 0.613 (0.481–0.744) | 0.091 | - |  |  |  |  |
LDL-C (mmol/L) | 0.667 (0.549–0.784) | 0.012 | 3.31 | 47.5% (28/59) | 89.3% (25/28) | 90.3% (28/31) | 44.6% (25/56) |
Glucose (mmol/l) | 0.683 (0.554–0.812) | 0.006 | 4.83 | 84.7% (50/59) | 50.0% (14/28) | 78.1% (50/64) | 60.9% (14/23) |
Insulin (pmol/L) | 0.748 (0.643–0.853) | < 0.001 | 111.35 | 52.5% (31/59) | 92.9% (26/28) | 93.9% (31/33) | 48.1% (26/54) |
FT (pg/mL) | 0.674 (0.550–0.798) | 0.009 | 7.60 | 66.1% (39/59) | 71.4% (20/28) | 83.0% (39/47) | 50.0% (20/40) |
SHBG (nmol/L) | 0.737 (0.621–0.853) | < 0.001 | 25.0 | 61.0% (36/59) | 82.1% (23/28) | 87.8% (36/41) | 50.0% (23/46) |