Table 5.

Results of the receiver operating characteristic curve analyses of TyG-BMI and TyG-WC for predicting NAFLD in subgroups of age and BMI

	AUC	95%CI low	95%CI upp	Best threshold	Specificity	Sensitivity
TyG-BMI
Age (years)
> 60	0.8247	0.7778	0.8715	196.7369	0.7956	0.7531
46–60	0.8440	0.8311	0.8569	196.4398	0.7978	0.7271
31–45	0.9090	0.9015	0.9164	189.6580	0.8057	0.8714
18–30	0.9258	0.8908	0.9608	172.4438	0.7599	0.9268
BMI (kg/m2)
≥ 28	0.7150	0.6696	0.7604	254.8981	0.7296	0.6000
≥ 24, < 28	0.7070	0.6876	0.7264	216.5987	0.7008	0.5998
< 24	0.8457	0.8335	0.8579	178.0661	0.7658	0.7776
TyG-WC
Age (years)
> 60	0.7942	0.7439	0.8445	685.9048	0.7537	0.7037
46–60	0.8426	0.8298	0.8554	666.8453	0.7436	0.7818
31–45	0.9080	0.9006	0.9154	625.1197	0.7995	0.8621
18–30	0.9393	0.9110	0.9676	619.1378	0.8493	0.9024
BMI (kg/m2)
≥ 28	0.7346	0.6891	0.7800	806.3716	0.7547	0.6186
≥ 24, < 28	0.7099	0.6906	0.7292	711.0072	0.6313	0.6988
< 24	0.8528	0.8413	0.8643	620.9366	0.7500	0.8153

Abbreviations: AUC area under the curve; other abbreviations as in Table 1