Table 2 Descriptive patient characteristics by individual dataset.
eICU-CRD | MIMIC-III | MIMIC-IV | ||
|---|---|---|---|---|
N | Class | 43,438 | 740 | 4,921 |
Covariates | ||||
Age (admission), median [Q1,Q3] | 66.0 [55.0,76.0] | 68.0 [58.0,77.0] | 68.0 [59.0,77.0] | |
Race and Ethnicity, N (%) | American Indian / Alaska Native | 371 (0.9) | 0 (0) | 9 (0.2) |
Asian | 723 (1.7) | 16 (2.2) | 119 (2.4) | |
Black | 4,405 (10.1) | 42 (5.7) | 336 (6.8) | |
Hispanic OR Latino | 1,934 (4.5) | 20 (2.7) | 162 (3.3) | |
More Than One Race | 0 | 0 | 3 (0.1) | |
Native Hawaiian / Pacific Islander | 0 | 0 | 9 (0.2) | |
Unknown | 2,648 (6.1) | 72 (9.7) | 846 (17.2) | |
White | 33,357 (76.8) | 590 (79.7) | 3,437 (69.8) | |
Sex N (%) | Female | 19,431 (44.7) | 284 (38.4) | 1,720 (35.0) |
BMI (Admission), median [Q1,Q3] | 28.0 [23.7,33.7] | 28.3 [24.7,33.5] | 28.3 [24.7,32.7] | |
Charlson Comorbidity Index, median [Q1,Q3] | 4.0 [2.0,6.0] | N/A | 5.0 [3.0,7.0] | |
Elixhauser Comorbidity Index, median [Q1,Q3] | N/A | 9.0 [3.0,16.0] | N/A | |
Hospital Region, N (%) | Midwest | 13,979 (34.5) | N/A | N/A |
Northeast | 3397 (8.4) | 740 (100.0) | 4921 (100.0) | |
South | 14,018 (34.6) | N/A | N/A | |
West | 9,069 (22.4) | N/A | N/A | |
Outcomes | ||||
ICU LoS if dead, median [Q1,Q3], days | 3.2 [1.4,6.8] | 9.0 [3.0,17] | 8.9 [4.1,15] | |
ICU LoS if survived, median [Q1,Q3], days | 2.9 [1.7,5.7] | 4.0 [2.0,10] | 3.9 [2.0,8.7] | |
In-Hospital Mortality, N (%) | 7,651 (17.8) | 129 (17.4) | 763 (15.5) | |
