Table 3.
Comparison of basic characteristics of the surviving and dead groups in the MIMIC-IV database.
| Variable | Survival | Death | p value |
|---|---|---|---|
| Total | 6709 | 867 | |
| ICU stay time, days, median (IQR) | 3.2 (1.9,5.8) | 5.3 (2.6,10.6) | <0.001 |
| Age, year, median (IQR) | 69 (58,79) | 74 (64,82) | <0.001 |
| Gender, male, n (%) | 4014 (59.8) | 483 (55.7) | 0.02 |
| Medical treatments, n (%) | |||
| Sedatives | 5502 (82) | 782 (90.2) | <0.001 |
| Analgesic | 6178 (92.1) | 669 (77.2) | <0.001 |
| Antibiotic | 5790 (86.3) | 798 (92) | <0.001 |
| Vasopressin | 564 (8.4) | 370 (42.7) | <0.001 |
| Comorbidity, n (%) | |||
| Myocardial infarct | 1396 (20.8) | 183 (21.1) | 0.838 |
| Congestive heart failure | 2362 (35.2) | 377 (43.5) | <0.001 |
| Peripheral vascular disease | 1032 (15.4) | 147 (17) | 0.229 |
| Dementia | 192 (2.9) | 31 (3.6) | 0.242 |
| COPD | 1782 (26.6) | 295 (34) | <0.001 |
| Liver disease | 710 (10.6) | 195 (22.5) | <0.001 |
| Diabetes | 630 (9.4) | 75 (8.7) | 0.48 |
| Renal disease | 1661 (24.8) | 288 (33.2) | <0.001 |
| Severe score, median (IQR) | |||
| SOFA | 6 (4,9) | 11 (8,14) | <0.001 |
| GCS | 13 (10,14) | 7 (3,11) | <0.001 |
| APSIII | 51 (37,70) | 90 (70,109) | <0.001 |
| Laboratory tests, median (IQR) | |||
| Lactate (mmol/L) | 1.8 (1.3,2.5) | 2.2 (1.4,3.7) | <0.001 |
| Glucose (mg/dL) | 128.5 (114.6,144.3) | 128 (105.2,148.2) | 0.02 |
| Creatinine (mg/dL) | 1 (0.8,1.6) | 1.5 (0.9,2.5) | <0.001 |
| BUN (K/uL) | 20 (14,33) | 33.5 (20,52.5) | <0.001 |
| Platelets (K/uL) | 179 (131,246.5) | 176.5 (109.8,259.5) | 0.042 |
| Potassium (K/uL) | 4.2 (3.9,4.6) | 4.3 (3.9,4.9) | <0.001 |
| Sodium (K/uL) | 138.5 (136,141) | 138.5 (135.5,141.5) | 0.903 |
| Bicarbonate (mEq/L) | 23 (20.5,25.5) | 21.5 (18,25) | <0.001 |
| Calcium (mg/dL) | 8.2 (7.8,8.7) | 8.2 (7.6,8.7) | 0.003 |
| Chloride (mmol/L) | 105.5 (101.5,108) | 103.5 (99,107.5) | <0.001 |
| HCT (%) | 10.4 (1.9) | 10.1 (2) | <0.001 |
| PTT (s) | 32 (27.9,40.2) | 38.1 (30.5,53.5) | <0.001 |
| WBC (K/uL) | 11.9 (8.8,15.8) | 13.2 (9,18.2) | <0.001 |
| INR | 1.3 (1.1,1.5) | 1.5 (1.2,2) | <0.001 |
| AG | 13.5 (11.5,16) | 16 (13.5,19.5) | <0.001 |
| MCH (pg) | 30 (28.6,31.3) | 30 (28.5,31.5) | 0.529 |
| MCHC (g/dL) | 32.8 (31.7,33.9) | 32.3 (31,33.4) | <0.001 |
| MCV (fL) | 91 (87,95) | 92 (88,97) | <0.001 |
| RDW (%) | 14.9 (13.7,16.4) | 16.6 (15,18.3) | <0.001 |
| Vital signs, median (IQR) | |||
| Heartrate (min−1) | 103 (90,118) | 113 (97,130) | <0.001 |
| Respiratory rate (min−1) | 27 (23,32) | 30 (25,35) | <0.001 |
| Temperature (°C) | 36.3 (35.6,37.3) | 36.3 (35.6,37.3) | 0.021 |