Table 4 Cut-off values and AUCs (95%CI) of each parameter for predicting non-alcoholic fatty liver disease in different BMI subgroups
| Â | AUC(95%CI) | Cut-off value | Sensitivity(%) | Specificity(%) |
|---|---|---|---|---|
BMI < 23 (n = 28) | ||||
 TyG | 0.800(0.607-0.926) | 2.04 | 60.00 | 100 |
 TyG-BMI | 0.817(0.626-0.937) | 30.7 | 80.00 | 82.61 |
 TyG-WC | 0.809(0.616- 0.932) | 108.11 | 80.00 | 82.61 |
 TyG-WHR | 0.809(0.616-0.932) | 1.18 | 80.00 | 82.61 |
 HOMA-IR | 0.652(0.450- 0.821) | 4.75 | 60.00 | 91.30 |
23 ≤ BMI < 25 (n = 47) | ||||
 TyG | 0.607(0.454–0.746) | 1.82 | 52.17 | 79.17 |
 TyG-BMI | 0.620(0.466–0.757) | 38.95 | 60.87 | 70.83 |
 TyG-WC | 0.627(0.474—0.763) | 157.00 | 52.17 | 79.17 |
 TyG-WHR | 0.623(0.470—0.760) | 1.71 | 47.83 | 83.33 |
 HOMA-IR | 0.533(0.381—0.680) | 2.35 | 56.52 | 62.50 |
BMI ≥ 25 (n = 193) | ||||
 TyG | 0.671(0.599—0.736) | 2.25 | 39.32 | 89.47 |
 TyG-BMI | 0.701(0.631—0.764) | 68.10 | 39.3 | 92.10 |
 TyG-WC | 0.698(0.628—0.762) | 211.12 | 47.01 | 86.84 |
 TyG-WHR | 0.690(0.620—0.755) | 2.20 | 36.75 | 93.42 |
 HOMA-IR | 0.552(0.479—0.624) | 1.90 | 85.47 | 30.26 |