Prediction performance of FLI, HSI, FSI, and ZJU index in age-stratified subgroups
| Indices | Age < 50 (N = 1,655) | Age ≥ 50 (N = 2,911) | ||||||
|---|---|---|---|---|---|---|---|---|
| AUC (95% CI) | Cut-off | SN (%) | SP (%) | AUC (95% CI) | Cut-off | SN (%) | SP (%) | |
| FLI | 0.840 (0.822–0.858) | 26.7 | 72.87 | 79.81 | 0.804 (0.789–0.818) | 22.5 | 80.41 | 66.98 |
| HSI | 0.827 (0.808–0.845) | 33.0 | 75.28 | 73.29 | 0.774 (0.758–0.789) | 32.9 | 72.39 | 69.57 |
| FSI | 0.843 (0.825–0.860) | 10.0 | 79.12 | 73.61 | 0.806 (0.792–0.821) | 13.6 | 79.29 | 67.55 |
| ZJU index | 0.851 (0.833–0.868) | 35.0 | 73.58 | 80.23 | 0.808 (0.793–0.822) | 35.0 | 75.28 | 72.88 |
AUC: area under the receiver operating characteristic curve; 95% CI: 95% confidence interval; SN: sensitivity; SP: specificity; FLI: fatty liver index; HSI: hepatic steatosis index; FSI: Framingham Steatosis index; ZJU index: Zhejiang University index