Table 2.
Continuous variables of characteristics of critically ill trauma patients who died or survived.
| Variables | Total | Mortality | p-Value | |
|---|---|---|---|---|
| (n = 1554) | No (n = 1376) | Yes (n = 178) | ||
| Age (years) | 58 (41,71) | 57 (40,71) | 65 (49,76) | <0.001 |
| Body mass index (BMI) | 23.6 (21.0, 26.6) | 23.5 (20.9, 26.6) | 23.7 (21.1, 26.6) | 0.575 |
| Temperature (°C) | 37 (36,37) | 36.8 (36.2, 37.4) | 36.0 (35.0, 37.1) | <0.001 |
| Systolic blood pressure (SBP, mmHg) | 140 (123,156) | 141 (125,156) | 132 (105,155) | <0.001 |
| Diastolic blood pressure (DBP, mmHg) | 77 (66,88) | 78 (67,88) | 71 (56,83) | <0.001 |
| Mean arterial pressure (MAP, mmHg) | 98 (87,109) | 99 (88,109) | 93 (74,105) | <0.001 |
| Heart rate (times/min) | 89 (77,102) | 88 (76,101) | 99 (84,117) | <0.001 |
| Respiratory rate (times/min) | 18 (15,21) | 18 (15,21) | 16 (13,21) | 0.009 |
| Glasgow Coma Scale (GCS) | 13 (9,15) | 14 (10,15) | 4 (3,7) | <0.001 |
| Injury Severity Score (ISS) | 16 (9,24) | 16 (9,20) | 25 (25,34) | <0.001 |
| Sodium (Na, mEq/L) | 139 (137,140) | 139 (137,140) | 138 (136,141) | 0.585 |
| Potassium (K, mEq/L) | 4 (3,4) | 3.7 (3.3, 4.0) | 3.7 (3.2, 4.1) | 0.667 |
| Blood urine nitrogen (BUN, mg/dL) | 14 (11,19) | 14 (11,19) | 16 (12,24) | <0.001 |
| Creatinine (Cr, mg/dL) | 0.94 (0.75, 1.19) | 0.92 (0.74, 1.14) | 1.16 (0.92, 1.64) | <0.001 |
| Bilirubin (mg/dL) | 0.8 (0.6, 1.1) | 0.8 (0.6, 1.1) | 0.8 (0.5, 1.1) | 0.937 |
| White Blood Cell (WBC, 103/uL) | 12.6 (9.0, 17.4) | 12.6 (8.9, 17.5) | 12.4 (9.7, 16.6) | 0.948 |
| Hematocrit (Hct, %) | 38.2 (33.8, 42.0) | 38.6 (34.4, 42.0) | 34.9 (30.2, 40.5) | <0.001 |
| Platelets (103/uL) | 199 (160,242) | 203 (163,247) | 176 (127,216) | <0.001 |
| Oxygenation (mmHg) | 121.8 (84.5, 176.1) | 120.9 (85.7, 170.9) | 130.3 (80.7, 203.2) | 0.234 |
| Arterial pH | 7.4 (7.3, 7.4) | 7.4 (7.4, 7.4) | 7.4 (7.3, 7.4) | <0.001 |
| HCO3 (meq/L) | 21.8 (19.4, 23.6) | 22.1 (19.7, 23.8) | 20.4 (17.0, 22.4) | <0.001 |
| Urine output (L/day) | 2.0 (1.5, 2.7) | 2.1 (1.5, 2.7) | 1.8 (1.0, 2.8) | 0.001 |
| Length of stay in hospital (days) | 12 (7,22) | 13 (7,22) | 5 (1,14) | <0.001 |