| ROC curve analysis | Category-free NRI | IDI | ||||
---|---|---|---|---|---|---|---|
AUC | 95% CI | P | index | P | index | P | |
Non-diabetic population | |||||||
 Baseline modela | 0.836 | 0.810–0.859 | reference | – | reference | – | reference |
  + estimated RLP-C | 0.838 | 0.813–0.861 | 0.311 | 0.022 | 0.517 | 0.002 | 0.169 |
Pre-diabetic population | |||||||
 Baseline modela | 0.781 | 0.747–0.812 | reference | – | reference | – | reference |
  + estimated RLP-C | 0.781 | 0.747–0.812 | 0.581 | 0.017 | 0.842 | 0.001 | 0.642 |
Diabetic population | |||||||
 Baseline modela | 0.788 | 0.759–0.815 | reference | – | reference | – | reference |
  + estimated RLP-C | 0.836 | 0.809–0.860 | < 0.001 | 0.155 | 0.010 | 0.040 | < 0.001 |