Table 3.
C-index of nomogram and critical care scoring systems for predicting 1-year mortality in ischemic stroke patients.
| Models | Developing cohort | Verification cohort | ||
|---|---|---|---|---|
| C-index | 95% CI | C-index | 95% CI | |
| Nomogram | 0.820 | 0.797–0.842 | 0.816 | 0.782–0.851 |
| GCS | 0.654 | 0.622–0.685 | 0.693 | 0.647–0.739 |
| SOFA | 0.708 | 0.680–0.735 | 0.688 | 0.645–0.730 |
| APS III | 0.742 | 0.715–0.769 | 0.741 | 0.701–0.781 |
| LODS | 0.731 | 0.704–0.758 | 0.736 | 0.696–0.776 |
| SAPS II | 0.760 | 0.735–0.786 | 0.754 | 0.715–0.792 |
| OASIS | 0.733 | 0.706–0.759 | 0.748 | 0.708–0.787 |
C-index, concordance index; CI, confidence interval; GCS, Glasgow coma score; SOFA, sequential organ failure assessment; APS III, acute physiology score III; LODS, logistic organ dysfunction system; SAPS II, simplified acute physiology score II; OASIS, oxford acute severity of illness score.