Table 1.
Comparison between the major trauma centre and trauma unit cohorts.
| MTC | TU | |||
| n (%) | 121 | (22.04) | 428 | (77.96) |
| Median age (IQR) | 62.60 | (42.60) | 82.15 | (19.19) |
| < 18 years n (%) | 6 | (4.96) | 9 | (2.10) |
| 18–65 n (%) | 63 | (52.07) | 74 | (17.29) |
| 65 > n (%) | 52 | (42.98) | 345 | (80.61) |
| Males n (%) | 82 | (67.77) | 222 | (51.87) |
| Median ISS n (IQR) | 22 | (18.18) | 17 | (3.97) |
| TBI | ||||
| Mild n (%) | 86 | (71.07) | 372 | (86.92) |
| Moderate n (%) | 17 | (14.05) | 33 | (7.71) |
| Severe n (%) | 17 | (14.05) | 18 | (4.21) |
| Unknown n (%) | 1 | (0.83) | 5 | (1.17) |
| AIS Head | ||||
| 3 n (%) | 33 | (27.27) | 71 | (16.59) |
| 4 n (%) | 54 | (44.63) | 215 | (50.23) |
| 5 n (%) | 34 | (28.10) | 142 | (33.18) |
| 6 n (%) | 0 | (0.00) | 0 | (0.00) |
| MOI | ||||
| Blast n (%) | 1 | (0.83) | 0 | (0.00) |
| Blow n (%) | 13 | (10.74) | 19 | (4.44) |
| Crush n (%) | 1 | (0.83) | 0 | (0.00) |
| Falls less than 2 m n (%) | 45 | (37.19) | 331 | (77.34) |
| Falls more than 2 m n (%) | 25 | (20.66) | 5 | (11.68) |
| Other n (%) | 0 | (0.00) | 8 | (1.87) |
| RTC n (%) | 36 | (29.75) | 20 | (4.67) |
| Co-morbidities | 67 | (55.37) | 380 | (88.79) |
| Atrial fibrillation n (%) | 2 | (1.65) | 92 | (21.50) |
| Asthma n (%) | 4 | (3.31) | 21 | (4.91) |
| Cancer n (%) | 9 | (7.44) | 52 | (12.15) |
| CKD n (%) | 0 | (0.00) | 40 | (9.35) |
| COPD n (%) | 4 | (3.31) | 36 | (8.41) |
| Stroke/TIA n (%) | 3 | (2.48) | 40 | (9.35) |
| Hypertension n (%) | 22 | (18.18) | 174 | (40.65) |
| IHD n (%) | 0 | (0.00) | 40 | (9.35) |
| T1DM n (%) | 6 | (4.96) | 4 | (0.93) |
| T2DM n (%) | 7 | (5.79) | 58 | (13.55) |
| Length of stay n = days (IQR) | 10 | (8.26) | 8 | (1.87) |
| 30-day mortality n (%) | 14 | (11.57) | 71 | (16.59) |
Figures in brackets are a percentage of the total number in their respective cohort.
AIS: abbreviated injury score; CKD: chronic kidney disease; COPD: chronic obstructive pulmonary disease; IHD: ischemic heart disease; ISS: injury severity score; MOI: mechanism of injury; RTC: road traffic collision; T1DM: type 1 diabetes mellitus; T2DM: type 2 diabetes mellitus; TIA: transient ischemic attack.