Table 2.
Demographics of the included Multiparameter Intelligent Monitoring in Intensive Care version III (MIMIC-III) intensive care unit stays. All stays correspond to patients aged 15 years or more (21,173 hospital admissions).
| Demographic characteristic | Number of ICU Stays n (%) | |
| ICU type | medical intensive care unit | 9460 (41.89) |
| cardiac surgery recovery unit | 3345 (14.81) | |
| surgical intensive care unit | 4293 (19.01) | |
| coronary care unit | 2726 (12.07) | |
| trauma-surgical intensive care unit | 2759 (12.22) | |
| Gender | Female | 9902 (43.85) |
| Male | 12,681 (56.15) | |
|
Age (years) Median 65 IQR (53-77) |
15-17 | 25 (0.1) |
| 18-29 | 982 (4.3) | |
| 30-39 | 1132 (5.01) | |
| 40-49 | 2176 (9.64) | |
| 50-59 | 4038 (17.88) | |
| 60-69 | 5159 (22.84) | |
| 70+ | 9071 (40.17) | |
|
Length of stay (days) Median 2.0 IQRa (1.2-3.8) |
0-2 | 15,178 (67.21) |
| 3-5 | 4267 (18.89) | |
| 6-8 | 1340 (5.93) | |
| 9-11 | 649 (2.9) | |
| 12+ | 1149 (5.09) | |
| Death during hospital stay | Yes | 1569 (6.95) |
| No | 21,014 (93.05) | |
aIQR: interquartile range.