Table 1 Comparisons of baseline characteristics in all cohorts.
MIMIC-III | MIMIC-IV | P value | |
|---|---|---|---|
N | 862 | 692 | |
Demographic characteristics | |||
Gender | |||
Female | 351 (40.7) | 276 (39.9) | 0.778 |
Male | 511 (59.3) | 416 (60.1) | |
Anchor Age (years) | 67.29 ± 35.92 | 64.72 ± 12.13 | 0.072 |
Race | |||
Asian | 67 (7.8) | 43 (6.2) | 0.277 |
Black | 77 (8.9) | 61 (8.8) | |
Hispanic | 26 (3.0) | 20 (2.9) | |
Other/Unknown | 84 (9.7) | 90 (13.0) | |
White | 608 (70.5) | 478 (69.1) | |
Marital status | |||
Divorced/Separated | 46 (5.3) | 44 (6.4) | 0.024 |
Married/Partner | 515 (59.7) | 371 (53.6) | |
Single | 185 (21.5) | 175 (25.3) | |
Unknown | 30 (3.5) | 41 (5.9) | |
Widowed | 86 (10.0) | 61 (8.8) | |
Insurance | |||
Government | 22 (2.6) | 0 (0.0) | < 0.001 |
Medicaid | 88 (10.2) | 41 (5.9) | |
Medicare | 400 (46.4) | 263 (38.0) | |
Other | 0 (0.0) | 388 (56.1) | |
Private | 344 (39.9) | 0 (0.0) | |
Self-Pay | 8 (0.9) | 0 (0.0) | |
ICU Length of Stay (days) | 3.21 ± 3.99 | 3.07 ± 2.97 | 0.43 |
Comorbidities | |||
Myocardial Infarction | 55 (6.4) | 65 (9.4) | 0.034 |
Congestive Heart Failure | 80 (9.3) | 90 (13.0) | 0.024 |
Peripheral Vascular Disease | 10 (1.2) | 21 (3.0) | 0.015 |
Cerebrovascular Disease | 52 (6.0) | 56 (8.1) | 0.137 |
Dementia | 0 (0.0) | 8 (1.2) | 0.005 |
Chronic Pulmonary Disease | 117 (13.6) | 120 (17.3) | 0.047 |
Mild Liver Disease | 231 (26.8) | 106 (15.3) | < 0.001 |
Severe Liver Disease | 75 (8.7) | 97 (14.0) | 0.001 |
Metastatic Solid Tumor | 620 (71.9) | 556 (80.3) | < 0.001 |
Scores (Within 24 h) | |||
Charlson Comorbidity Index | 2.98 ± 1.35 | 3.44 ± 1.26 | < 0.001 |
SOFA Score | 5.29 ± 3.68 | 5.67 ± 4.10 | 0.059 |
OASIS Score | 32.42 ± 9.30 | 31.89 ± 8.42 | 0.246 |
SAPS II Score | 43.65 ± 16.06 | 45.02 ± 14.30 | 0.08 |
SIRS Score | 2.87 ± 0.92 | 2.58 ± 0.87 | < 0.001 |
LODS Score | 4.68 ± 3.03 | 4.97 ± 3.13 | 0.068 |
APS III Score | 51.37 ± 24.43 | 50.58 ± 23.23 | 0.514 |
MELD Score | 17.49 ± 9.29 | 17.35 ± 9.08 | 0.756 |
Outcome | |||
Hospital mortality | 226 (26.2) | 184 (26.6) | 0.915 |
