Table 1. Patient characteristics.
Basic socio-demographics and encounter parameters are provided for all included patients and divided by train and test dataset for eICU-CRD and MIMIC-IV.
| Variables | eICU-CRD | MIMIC-IV | ||||
|---|---|---|---|---|---|---|
| all (n = 6,010) |
train (n = 4,808) |
test (n = 1,202) |
all (n = 6,131) |
train (n = 4,904) |
test (n = 1,227) |
|
| Age, mean (SD) |
62.3 (15.1) |
64 (16.2) |
64 (14.8) |
62.9 (15.4) |
62.8 (15.5) | 63.3 (15) |
| Female, n (%) | 2,539 (42.2) |
2,038 (42.3) |
501 (41.7) |
2,355 (38.4) |
1,870 (38.1) |
485 (39.6) |
| Height, mean (SD) | 170.1 (10.6) |
170.1 (10.6) | 170.2 (10.6) |
170.1 (9.3) | 170 (9.3) |
170 (9.1) |
| Weight, mean (SD) | 86.5 (23.6) |
86.3 (23.7) |
87.5 (23.5) |
84.9 (21.5) |
84.9 (21.5) |
84.8 (21.3) |
| Care unit, n (%) | ||||||
| CVICU | 427 (7.1) |
345 (7.2) |
82 (6.8) |
1,629 (26.6) | 1307 (26.7) | 322 (26.2) |
| MICU | 541 (9.0) |
419 (8.7) |
122 (10.1) |
1,193 (19.5) |
938 (19.1) |
255 (20.8) |
| TSICU | 650 (10.8) | 512 (10.6) |
138 (11.5) |
1,767 (28.8) | 1,420 (29.0) | 347 (28.3) |
| Med-Surg ICU | 3,164 (52.6) | 2547 (53.0) | 617 (51.3) |
807 (13.2) | 641 (13.1) | 166 (13.5) |
| CCU | 563 (9.4) | 448 (9.3) | 115 (9.6) | 561 (9.2) | 463 (9.4) | 98 (8.0) |
| Neuro SICU | 300 (5.0) |
242 (5.0) |
58 (4.8) |
174 (2.8) |
135 (2.8) |
39 (3.2) |
| CTICU | 209 (3.5) | 169 (3.5) | 40 (3.3) | n/a | n/a | n/a |
| CSICU | 156 (2.6) | 126 (2.6) | 30 (2.5) | n/a | n/a | n/a |
| Ethnicity, n (%) | ||||||
| White | 4687 (77) | 3748 (78) | 939 (78) | 5585 (65) | 4442 (65) | 1143 (65) |
| Black | 406 (10) | 488 (10) | 111 (10) | 714 (8) | 573 (8) | 141 (8) |
| Other | 599 (7) | 316 (7) | 90 (7) | 1650 (19) | 1315 (19) | 335 (19) |
| Hispanic | 219 (4) | 180 (3) | 39 (3) | 347 (4) | 264 (4) | 83 (5) |
| Asian | 74 (1) | 58 (1) | 16 (1) | 251 (3) | 210 (3) | 41 (2) |
| Native | 25 (1) | 18 (1) | 7 (1) | 33 (1) | 23 (1) | 10 (1) |
| MV duration [hour], mean (SD) | 56.4 (57.2) | 55.9 (56.1) |
58.3 (61.3) |
39.1 (38) |
39.6 (38.8) | 37.2 (34.4) |
| Heart rate, bpm (SD) | 87.3 (15.5) | 87.5 (15.6) |
86.3 (15.3) |
85.1 (14.7) | 85 (14.6) |
85.1 (15) |
| Mortality, n (%) | 980 (16.3) | 812 (16.9) |
168 (14) |
985 (16) |
759 (15.5) |
226 (18.4) |
CSICU, cardiac surgery intensive care unit; CTICU, cardiothoracic intensive care unit; CVICU, cardiac vascular intensive care unit; CCU, coronary care unit; Med-Surg ICU, medical/surgical intensive care unit; MICU, medical intensive care unit; Neuro SICU, neurosurgical intensive care unit; TSICU, trauma surgical intensive care unit.