Table 5.

Multivariate analysis for factors associated with STHD.

Parameters	Adjusted Odds ratio	P value
Witness of OHCA	0.177	0.311
EMS scene time	1.56	0.047*
Pediatrician	0.386	0.605
ED epinephrine doses	0.947	0.769
ED CPR interval	0.799	0.047*

*Statistical significance was set at p < 0.05.