Table 3 Evaluation the incremental effect of adding the TyG index to the MAGGIC score to predict 3-year mortality
Groups | C-Statistic (95% CI) | P value | NRI (95% CI) | P value | IDI (95% CI) | P value |
|---|---|---|---|---|---|---|
Overall (n = 6697) | ||||||
MAGGIC score | 0.710 (0.694–0.726) | Ref | – | Ref | – | Ref |
MAGGIC score + TyG | 0.723 (0.708–0.738) | < 0.01 | 0.273 (0.213–0.334) | < 0.01 | 0.011 (0.008–0.015) | < 0.01 |
Age < 65 years (n = 3482) | ||||||
MAGGIC score | 0.691 (0.665–0.716) | Ref | – | Ref | – | Ref |
MAGGIC score + TyG | 0.706 (0.681–0.731) | < 0.01 | 0.326 (0.230–0.423) | < 0.01 | 0.010 (0.006–0.015) | < 0.01 |
Age ≥ 65 years (n = 3215) | ||||||
MAGGIC score | 0.674 (0.652–0.695) | Ref | – | Ref | – | Ref |
MAGGIC score + TyG | 0.689 (0.668–0.710) | < 0.01 | 0.229 (0.151–0.308) | < 0.01 | 0.012 (0.008–0.017) | < 0.01 |
Male (n = 4579) | ||||||
MAGGIC score | 0.709 (0.690–0.728) | Ref | – | Ref | – | Ref |
MAGGIC score + TyG | 0.718 (0.699–0.736) | < 0.01 | 0.222 (0.148–0.296) | < 0.01 | 0.008 (0.005–0.011) | < 0.01 |
Female (n = 2118) | ||||||
MAGGIC score | 0.713 (0.686–0.740) | Ref | – | Ref | – | Ref |
MAGGIC score + TyG | 0.734 (0.708–0.761) | < 0.01 | 0.353 (0.248–0.458) | < 0.01 | 0.020 (0.013–0.027) | < 0.01 |