Table 4.
Comparison of the ability of TyG to predict β-cell dysfunction.
| Variable | AUC (95% CI) | Cut-off | Sensitivity | Specificity | Youden index | P-value | |
|---|---|---|---|---|---|---|---|
| Early-phase β-Cell dysfunction indices | |||||||
| I30/I0 Ratio DI | 0.71 (0.67-0.75) | 9.17 | 0.75 | 0.6 | 0.35 | <0.001 | |
| CP30/CP0 ratio DI | 0.73 (0.69-0.77) | 9.31 | 0.71 | 0.68 | 0.39 | <0.001 | |
| △I30/△G30 ratio DI | 0.68 (0.64-0.72) | 9.08 | 0.76 | 0.53 | 0.28 | <0.001 | |
| △CP30/△G30 ratio DI | 0.70 (0.66-0.74) | 9.19 | 0.71 | 0.68 | 0.34 | <0.001 | |
| CIR30x10-2 DI | 0.74 (0.71-0.78) | 9.31 | 0.7 | 0.68 | 0.37 | <0.001 | |
| Stumvoll first phase x10-2 DI |
0.65 (0.61-0.69) | 9.36 | 0.55 | 0.67 | 0.22 | <0.001 | |
| Late-phase β-Cell dysfunction indices | |||||||
| I120/I0ratio DI | 0.67 (0.63-0.72) | 9.31 | 0.65 | 0.67 | 0.32 | <0.001 | |
| CP120/CP0 ratio DI | 0.71 (0.67-0.75) | 9.31 | 0.7 | 0.69 | 0.38 | <0.001 | |
| △I120/△G120 ratio DI | 0.63 (0.58t-.67) | 9.31 | 0.6 | 0.65 | 0.24 | <0.001 | |
| △CP120/△G120 ratio DI | 0.63 (0.58-0.67) | 9.35 | 0.57 | 0.67 | 0.24 | <0.001 | |
| CIR120x10-2DI | 0.74 (0.70-0.77) | 9.2 | 0.76 | 0.62 | 0.38 | <0.001 | |
| Stumvoll second phase x10-2 DI | 0.72 (0.68-0.75) | 9.36 | 0.63 | 0.7 | 0.33 | <0.001 | |