Table 1 Baseline characteristics
|  | MIMIC III (N = 7481) | ||
|---|---|---|---|
Survival (n = 6406) | Dead (n = 1075) | P-value | |
Demographic | |||
 Age (Year) | 69.91 (13.05) | 73.12 (12.57) |  < 0.001 |
 Male (n%) | 3445 (53.8) | 558 (51.9) | 0.269 |
Vital signs | |||
 HR (minˉ1) | 88.81 (19.31) | 93.22 (22.05) |  < 0.001 |
 RR (minˉ1) | 18.92 (6.17) | 21.26 (6.76) |  < 0.001 |
 SBP (mmHg) | 122.47 (23.63) | 118.15 (27.74) |  < 0.001 |
 DBP (mmHg) | 63.73 (14.97) | 62.09 (15.62) | 0.001 |
 MAP (mmHg) | 83.31 (15.53) | 80.78 (17.05) |  < 0.001 |
 T (°C) | 36.60 (0.86) | 36.61 (1.02) | 0.642 |
Laboratory results | |||
 RBC (m/uL) | 3.90 (0.75) | 3.80 (0.75) |  < 0.001 |
 WBC (k/uL) | 10.20 [7.50,13.80] | 11.30 [7.75,15.65] |  < 0.001 |
 Platelet (k/uL) | 219.00 [170.00,273.00] | 209.00 [140.00,265.50] |  < 0.001 |
 Hemoglobin (g/dL) | 11.64 (2.23) | 11.33 (2.13) |  < 0.001 |
 Hematocrit (%) | 34.81 (6.41) | 34.23 (6.34) | 0.006 |
 MCV (fL) | 89.56 (6.61) | 90.72 (7.46) |  < 0.001 |
 MCH (pg) | 30.00 (2.61) | 30.05 (2.92) | 0.51 |
 MCHC (%) | 33.50 (1.55) | 33.12 (1.64) |  < 0.001 |
 Albumin (mg/dL) | 3.16 (0.42) | 2.93 (0.55) |  < 0.001 |
 ALT (IU/L) | 38.00 [19.00, 88.00] | 37.00 [19.00, 88.00] | 0.308 |
 AST (IU/L) | 49.00 [25.00, 117.00] | 58.00 [27.00, 117.00] |  < 0.001 |
 TB (mg/dL) | 0.90 [0.50,1.90] | 0.90 [0.50,1.90] | 0.024 |
 AP (IU/L) | 107.00 [71.00,130.00] | 112.00 [74.00,134.00] |  < 0.001 |
 BUN (mg/dL) | 23.00 [16.00,33.00] | 31.00 [20.00,48.00] |  < 0.001 |
 Creatinine (mg/dL) | 1.30 [1.10,1.50] | 1.40 [1.20,1.85] |  < 0.001 |
 Glucose (mg/dL) | 133.00 [108.00,173.00] | 135.00 [105.00,183.00] | 0.746 |
 Lactate (mg/dL) | 2.40 [1.40,2.50] | 2.30 [1.50,3.55] |  < 0.001 |
 T-CO2 (mEq/L) | 25.00 [25.00,29.00] | 25.00 [20.00,28.00] |  < 0.001 |
 pH (units) | 7.38 (0.08) | 7.34 (0.12) |  < 0.001 |
 PaO2 (mmHg) | 105.56 (25.12) | 96.02 (25.41) |  < 0.001 |
 SaO2 (%) | 95.47 (6.52) | 94.40 (7.52) |  < 0.001 |
 PaCO2 (mmHg) | 43.15 (10.05) | 42.83 (13.73) | 0.362 |
 AG (mEq/L) | 15.01 (3.64) | 16.42 (4.21) |  < 0.001 |
 BE (mEq/L) | 0.00 [0.00,2.00] | 0.00 [-5.00,2.00] |  < 0.001 |
 Bicarbonate (mg/dL) | 24.86 (5.08) | 23.61 (5.73) |  < 0.001 |
 Potassium (mEq/L) | 4.33 (0.78) | 4.47 (0.87) |  < 0.001 |
 Sodium (mEq/L) | 138.02 (4.40) | 137.48 (5.63) |  < 0.001 |
 Chloride (mEq/L) | 102.31 (5.88) | 101.57 (6.56) |  < 0.001 |
 T-Calcium (mEq/L) | 8.60 (0.77) | 8.46 (0.90) |  < 0.001 |
 Magnesium (mg/dL) | 1.97 (0.38) | 2.00 (0.42) | 0.05 |
 Phosphate (mg/dL) | 3.60 [3.00,4.20] | 3.90 [3.10,4.70] |  < 0.001 |
 INR | 1.30 [1.10,1.60] | 1.40 [1.20,1.90] |  < 0.001 |
 APTT (s) | 30.20 [26.20,36.50] | 31.50 [26.90,38.85] |  < 0.001 |
 PT (s) | 14.10 [13.00,16.30] | 14.80 [13.25,18.20] |  < 0.001 |
Comorbidities (n%) | |||
 AF | 2670 (41.7) | 478 (44.5) | 0.093 |
 T2DM | 1636 (25.5) | 220 (20.5) |  < 0.001 |
 Hypertension | 3201 (50.0) | 427 (39.7) |  < 0.001 |
 p-MI | 602 (9.4) | 74 (6.9) | 0.009 |
 VA | 563 (8.8) | 130 (12.1) | 0.001 |
 AKI | 2131 (33.3) | 597 (55.5) |  < 0.001 |
 CLD | 2277 (35.5) | 393 (36.6) | 0.544 |
 MT | 330 (5.2) | 68 (6.3) | 0.13 |
 CKD | 4988 (77.9) | 818 (76.1) | 0.211 |
 Anemia | 2438 (38.1) | 414 (38.5) | 0.803 |