Table 4.
C-statistics for prediction of incident chronic kidney disease using multivariate Cox regression models
| Model | C-statistics (95% CI) | P for difference of C-statistics compared with models | |||
|---|---|---|---|---|---|
|
| |||||
| Model 1 | Model 2 | Model 3 | Model 4 | ||
| Model 1 | 0.652 (0.631–0.674) | NA | – | – | – |
| Model 2 | 0.729 (0.709–0.749) | < 0.001 | NA | – | – |
| Model 3 | 0.819 (0.804–0.833) | < 0.001 | < 0.001 | NA | – |
| Model 4 | 0.839 (0.825–0.853) | < 0.001 | < 0.001 | < 0.001 | NA |
Model 1, sex, body mass index, education level, income, fasting glucose, and serum albumin; Model 2, model 1 + the Framingham risk score; Model 3, model 1 + eGFR and proteinuria; Model 4; model 1 + eGFR, proteinuria, and the Framingham risk score.
CI, confidence interval; eGFR, estimated glomerular filtration rate; NA, not applicable.