The outcomes of cardiopulmonary resuscitation and their predictors during the coronavirus 2019 pandemic in Iran

BMC Emergency Medicine

Table 3 The results of the regression analysis for the predictors of ROSC and CPR–discharge survival

CPR outcomes	Independent variables	B	Std. Error	Wald	df	Sig.	Exp (B)	95% CI
ROSC	Baseline rhythm (Asystole)^†	2.260	0.629	12.904	1	< 0.001^*	9.581	2.792–32.879
	Baseline rhythm (PEA) ^†	2.945	1.261	5.458	1	0.019^*	19.010	1.607–224.880
	Baseline rhythm (Bradycardia) ^†	2.318	0.666	12.104	1	0.001^*	10.150	2.751–37.453
	Epinephrine interval (< 3 min) ^‡	-2.652	0.298	78.964	1	< 0.001^*	0.070	0.039-0.127
	Epinephrine interval (q3–5 min) ^‡	-2.024	0.227	79.176	1	< 0.001^*	0.132	0.085-0.206
	Age (25–44) ^¶	− 0.873	0.274	3.980	1	0.047^*	0.623	0.364-1.066
	COVID-19 Affliction (No)^¥	− 0.986	0.240	4.721	1	0.023^*	0.388	0.287–1.337
	Underlying disease (NO)^£	-0.901	0.163	4.185	1	0.039^*	0.736	0.499–1.086
	Epinephrine delay (NO)^§	-1.339	0.244	30.054	1	< 0.001^*	0.262	0.162–0.423
CPR–discharge survival	Age (16–24) ^¶	-1.785	1.045	3.875	1	0.048^*	0.168	0.022–1.302
CPR–discharge survival	Baseline rhythm (Asystole) ^†	2.783	1.117	6.213	1	0.013^*	16.167	1.812–144.214

^†. Reference category: VT; ^‡. Reference category: Epinephrine interval: > 5 min; ^¶. Reference category: >65; ^¥. Reference category: COVID-19 Affliction; ^£. Reference category: Yes; ^§. Reference category: Yes

ISSN: 1471-227X