Total (n= 152) | CT group(n= 132) | Non-CT group(n= 20) | P- value | |
---|---|---|---|---|
Baseline characteristics | ||||
Age, yrs | 40 (25 to 61) | 40 (26 to 61) | 42 (23 to 64) | n.s. |
Male sex, % | 99 (65.1) | 86 (65) | 13 (65) | n.s. |
Emergency department variables | ||||
Systolic blood pressure, mmHg | 93.5 (70 to 122) | 99 (80 to 128) | 62 (50 to 74) | <0.001 |
Heart rate, bpm | 101 (83 to 124) | 98 (82 to 122) | 105 (100 to 132) | n.s. |
Respiratory rate, bpm | 23 (20 to 30) | 23 (20 to 30) | 20 (20 to 28) | n.s. |
Revised Trauma Score | 6.9 (5.3 to 7.8) | 7.0 (6.3 to 7.8) | 4.3 (3.2 to 5.6) | <0.001 |
Base excess, mmol/L | -5.0 (-8 to -1.8) | -4.0 (-7.6 to -1.4) | -9.7 (-13 to -7.4) | <0.001 |
Lactate, mmol/L | 3.9 (2.5 to 7.0) | 3.5 (2.4 to 6.0) | 8.1 (6.0 to 8.8) | <0.001 |
In-hospital variables | ||||
Body temperature, °C | 35.2 (34.5 to 35.8) | 35.2 (34.5 to 35.8) | 34.7 (34 to 35.6) | n.s. |
Prothrombin time, % | 50 (34.2 to 65) | 50 (35.5 to 67.2) | 40 (32.7 to 60.2) | n.s. |
Infusion within 24 hrs, ml | 11,000 (8,625 to 16,000) | 14,000 (9,000 to 16,000) | 10,500 (7,750 to 15,250) | n.s. |
Blood transfusion within 24 hrs, units | 14 (6 to 25.5) | 18 (9.0 to 31) | 23 (16 to 44) | 0.001 |
FFP transfusion within 24 hrs, units | 3.0 (0 to 10) | 0.0 (0 to 10) | 8.0 (3.0 to 13) | 0.045 |
Bleeding control site | ||||
Chest | 21 (13.8) | 15 (11.3) | 6 (30) | n.s. |
Abdomen | 93 (61.1) | 78 (59) | 15 (75) | n.s. |
Pelvic | 70 (46) | 60 (45.4) | 10 (50) | n.s. |
Time from patient arrival to start of emergency bleeding control, minutes | 79 (55 to 105) | 84 (67 to 121) | 74 (63 to 114) | <0.001 |
Injury Severity Score | 34 (25 to 45) | 34 (25 to 43) | 41 (34 to 51) | 0.033 |
TRISS Ps, % | 80 (39.1 to 95.1) | 84.5 (56.5 to 95.5) | 22.2 (7.9 to 39.2) | <0.001 |
Outcome variables | ||||
24-hr mortality, % | 39 (25.6) | 23 (17.4) | 16 (80) | <0.001 |
28-d mortality, % | 40 (26.3) | 24 (18.1) | 16 (80) | <0.001 |