Table 1.
Cross-tabulation of demographics and patient characteristics. Figures in brackets represent column percentages unless stated otherwise
| Characteristic | Overall sample | TCHT presentation | Non-TCHT presentation | Penetrating subgroup | Blunt subgroup | Survivors | Non-Survivors |
| ISS, Injury Severity Score; TCHT: Tertiary care hospital for trauma; Non-TCHT: Non-tertiary care hospital for trauma; LOS: Length of stay (days); ITU: Intensive treatment unit; IQR: Interquartile range. | |||||||
| aRange | |||||||
| Ratio (%) | Ratio (%) | Ratio (%) | Ratio (%) | Ratio (%) | Ratio (%) | Ratio (%) | |
| Sex | |||||||
| Male | 129/146 (88.4) | 59/68 (86.8) | 70/78 (89.7) | 69/79 (87.3) | 60/67 (89.6) | 81/94 (86.2) | 48/52 (92.3) |
| Female | 17/146 (11.6) | 9/68 (13.2) | 8/78 (10.3) | 10/79 (12.7) | 7/67 (10.4) | 13/94 (13.8) | 4/52 (7.7) |
| Presentation to TCHT | |||||||
| Yes | 68/146 (46.6) | n/a | n/a | 34/79 (43.0) | 34/67 (50.7) | 43/94 (45.7) | 25/52 (48.1) |
| No | 78/146 (53.4) | n/a | n/a | 45/79 (57.0) | 33/67 (49.3) | 51/94 (54.3) | 27/52 (51.9) |
| Mechanism of Injury | |||||||
| Blunt | 67/146 (45.9) | 34/68 (50.0) | 33/78 (42.3) | n/a | n/a | 36/94 (38.3) | 31/52 (59.6) |
| Penetrating | 79/146 (54.1) | 34/68 (50.0) | 45/78 (57.7) | n/a | n/a | 58/94 (61.7) | 21/52 (40.4) |
| Mortality | |||||||
| Yes | 52/146 (35.6) | 25/68 (36.8) | 27/78 (34.6) | 21/79 (26.6) | 31/67 (46.3) | n/a | n/a |
| No | 94/146 (64.4) | 43/68 (63.2) | 51/78 (65.4) | 58/79 (73.4) | 36/67 (53.7) | n/a | n/a |
| Laparotomy | |||||||
| Yes | 41/146 (28.1) | 16/68 (23.5) | 25/78 (32.1) | 18/79 (22.8) | 23/67 (34.3) | 22/94 (23.4) | 19/52 (36.5) |
| No | 105/146 (71.9) | 52/68 (76.5) | 53/78 (67.9) | 61/79 (77.2) | 44/67 (65.7) | 72/94 (76.6) | 33/52 (63.5) |
| Median age (IQR) | 31.5 (23.1–44.5) | 29.1 (22.2–44.3) | 32.6 (25.1–44.9) | 28.2 (22.5–38.0) | 37.2 (25.4–51.8) | 32.6 (23.9–44.1) | 30.2 (22.6–45.5) |
| Median ISS (IQR) | 25 (14–34) | 25 (16–34) | 25 (13–34) | 18 (10–25) | 29 (19–41) | 18 (10–27) | 28 (25–42) |
| Median LOS (IQR) | 6 (1–12) | 7 (1–12) | 6 (1–12) | 7 (1–10) | 6 (1–17) | 9 (6–21) | 1 (1–10)a |
| Median ITU LOS (IQR) | 0 (0–5) | 1 (0–5) | 0 (0–5) | 0 (0–4) | 0 (0–7) | 3 (0–7) | 0 (0–9)a |