Table 4.

Predictors of TCHI realization.

Variable	95% confidence interval
	Odds ratio	Lower	Upper	p
LSTa	61.975	24.078	159.524	<0.001
NACAb score ≥4	28.263	12.290	64.994	<0.001
cTCHI expected by EMS providers	55.788	23.744	131.077	<0.001
Male	1.914	1.006	3.643	0.048
Age below 65 years	0.940	0.499	1.771	0.848

^aLST: lights and siren transport; ^bNACA: National Advisory Committee for Aeronautics; ^cTCHI: time-critical hospital intervention.