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| C-index (95% CI) | P-value | NRI (95% CI) | P-value | IDI (95% CI) | P-value | |
|---|---|---|---|---|---|---|
| SSII | 0.715 (0.697–0.734) | Reference | – | Reference | – | Reference |
| SSII + big ET-1 | 0.723 (0.704–0.742) | 0.029 | 0.304 (0.229–0.378) | < 0.001 | 0.009 (0.006–0.012) | < 0.001 |
