Table 5.

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.