Table 2 Patient characteristics according to risk groups. After subdivision into the studied groups
From: Routine whole body CT of high energy trauma patients leads to excessive radiation exposure
Low risk group | Intermediate risk group | High risk group | P-value | |
|---|---|---|---|---|
(n = 139) | (n = 322) | (n = 62) | ||
Age - mean, years (SD) | 32.52 (21.35) | 37.66 (20.24) | 38.49 (21.13) | 0.035 |
Male gender % (n): | 61.2 % (85) | 64.3 % (207) | 77.4 % (48) | 0.075 |
Mechanism of injury % (n) | <0.001 | |||
Unprotected traffic victim (MC, bike, pedestrian) | 20.9 % (29) | 34.2 % (110) | 9.7 % (15) | |
Protected traffic victim (MVC) | 62.6 % (87) | 36.3 % (117) | 10.9 % (25) | |
Fall < 3 m | 10.8 % (15) | 13.4 % (43) | 3.3 % (2) | |
Fall > 3 m | 2.9 % (4) | 7.8 % (25) | 27.5 % (11) | |
Other (chrush, blunt, SW) | 2.9 % (4) | 83.9 % (27) | 22.5 % (9) | |
Examined with whole body computer tomography in trauma (WBCT-T) % (n) | 32.4 % (45) | 60.2 % (194) | 82.3 % (51) | <0.001 |
Injury on WBCT-T % (n) | 0 % (0) | 44.8 % (87) | 74.5 % (38) | <0.001 |
Specific radiological exams % (n) | 46.8 % (65) | 58.4 % (188) | 43.5 % (27) | 0.016 |
Injury Severity Score (ISS) - mean (SD) | 0.84 (1.57) | 4.42 (6.30) | 16.48 (18.14) | <0.001 |
S-etanol in mmol/l in intoxicated patients - mean (SD) | - | 43.53 (23.54) | 38.99 (15.80) | 0.53 |
Intoxication on admission % (n) | 0 % (0) | 7.8 % (23) | 25.0 % (14) | <0.001 |
Admission to intensive care unit (ICU) % (n) | 20.1 % (28) | 33.5 % (108) | 77.4 % (48) | <0.001 |