Table 3 Relative risk ratios for various in-ICU mortality risk groups in different populations
Risk | MIMIC-III | MIMIC-IV | ||||
Patients, N | Mortality, % | RR | Patients, N | Mortality, % | RR | |
> 80% | 149 | 83.89 | 5.13 | 334 | 82.63 | 7.71 |
60–79% | 189 | 63.49 | 3.88 | 414 | 62.08 | 5.79 |
40–59% | 321 | 46.73 | 2.86 | 602 | 40.20 | 3.75 |
20–39% | 708 | 29.1 | 1.78 | 1404 | 22.93 | 3.75 |
< 19% | 4158 | 7.29 | 0.45 | 12,778 | 4.45 | 0.41 |
Total | 5525 | 16.36 | - | 15,532 | 10.72 | - |
Risk | eICU | Zigong | ||||
Patients, N | Mortality, % | RR | Patients, N | Mortality, % | RR | |
> 80% | 203 | 82.76 | 7.49 | 30 | 76.67 | 2.17 |
60–79% | 473 | 70.19 | 6.36 | 158 | 56.96 | 1.61 |
40–59% | 820 | 44.02 | 3.99 | 333 | 43.84 | 1.24 |
20–39% | 2329 | 23.66 | 2.14 | 567 | 27.41 | 0.78 |
< 19% | 18,792 | 5.78 | 0.52 | 210 | 17.14 | 0.49 |
Total | 22,617 | 11.04 | - | 1198 | 35.31 | - |