Table 3.
Summary of overall correct classification (OCC), calibration and discrimination of LODS from ICU-day 1 to day 7
| ICU-day | OCC | Calibration | Discrimination | ||
|---|---|---|---|---|---|
| Chi2 | p-value | AUC | 95%-CI | ||
| 1 (n = 2801) | 95.3 | 6.920 | 0.227 | 0.810 | 0.771 - 0.850 |
| 2 (n = 2769) | 95.7 | 6.694 | 0.350 | 0.913 | 0.891 - 0.936 |
| 3 (n = 1234) | 92.2 | 6.402 | 0.494 | 0.930 | 0.912 - 0.949 |
| 4 (n = 815) | 90.6 | 7.928 | 0.339 | 0.879 | 0.844 - 0.914 |
| 5 (n = 566) | 87.6 | 5.615 | 0.690 | 0.870 | 0.834 - 0.905 |
| 6 (n = 430) | 86.5 | 6.387 | 0.604 | 0.847 | 0.800 - 0.894 |
| 7 (n = 338) | 83.7 | 4.663 | 0.793 | 0.846 | 0.799 - 0.893 |
95%-CI: 95%-Confidence Interval; AUC: Area under the receiver operating characteristic curve; ICU-day: Intensive care unit-day;