Summary statistics (before multiple imputation) for significant predictors in the TCA model. Percentages are of the total n of patients with TCA
| Survived to hospital admission | Did not survive to hospital admission | Survived to hospital discharge | Survived to admission but not discharge | |
| Witnessed arrest, n (%) | 13 (4.3) | 90 (30.0) | 2 (0.7) | 5 (1.6) |
| Unwitnessed arrest, n (%) | 44 (14.5) | 156 (51.3) | 6 (2.0) | 19 (6.3) |
| Median response time, min (IQR) | 5.0 (3.0–7.8) | 6.0 (4.0–9.7) | 4.0 (3.5–7.3) | 5.0 (2.5–6.6) |
| Shockable rhythm, n (%) | 4 (1.3) | 11 (3.6) | 3 (1.0) | 0 (0) |
| Non-shockable rhythm, n (%) | 50 (16.4) | 224 (73.7) | 4 (1.3) | 25 (8.2) |
| Air ambulance, n (%) | 14 (4.6) | 29 (9.5) | 1 (0.3) | 8 (2.6) |
| No air ambulance, n (%) | 44 (14.5) | 217 (71.4) | 7 (2.3) | 17 (5.6) |
TCA, traumatic cardiac arrest.