C-index, NRI and IDI were used to compare the predictive performance of different indicators for CVD
| Predictor | C-index (95% CI) | Continuous NRI (95% CI) | P value | Absolute IDI (95% CI) | P value |
| China-PAR model | 0.7339 (0.7270 to 0.7406) | Ref | Ref | ||
| China-PAR model+hs CRP | 0.7344 (0.7276 to 0.7411) | 0.0711 (0.0477 to 0.0946) | <0.01 | 0.0001 (0.0000 to 0.0002) | 0.12 |
| China-PAR model+albumin | 0.7339 (0.7271 to 0.7407) | −0.0090 (-0.0261 to 0.0081) | 0.58 | 0.0000 (0.0000 to 0.0000) | 0.32 |
| China-PAR model+CAR | 0.7348 (0.7280 to 0.7416) | 0.1366 (0.1049 to 0.1684) | <0.01 | 0.0002 (0.0001 to 0.0004) | <0.01 |
CAR, high-sensitivity C reactive protein to albumin ratio; China-PAR model, Prediction Model for Atherosclerotic Cardiovascular Disease Risk in China; CVD, cardiovascular disease; hs-CRP, high-sensitivity C reactive protein; IDI, Integrated Discrimination Index; NRI, Net Reclassification Index.