Prehospital cardiopulmonary resuscitation duration and neurological outcome after out-of-hospital cardiac arrest among children by location of arrest: a Nationwide cohort study

Table 2 Odds ratios for cardiopulmonary resuscitation duration and 1-month survival with favourable neurological outcome by location of arrest

Outcome	All patients (n = 3913)						Residential locations (n = 2865)						Public locations (n = 1048)
Outcome	n/N	%	Crude OR	(95% CI)	Adjusted OR	(95% CI)	n/N	%	Crude OR	(95% CI)	Adjusted OR	(95% CI)	n/N	%	Crude OR	(95% CI)	Adjusted OR	(95% CI)
EMS CPR duration
0–5 min	81/138	58.7	Ref	Ref	Ref	Ref	16/53	30.2	Ref	Ref	Ref	Ref	65/85	76.5	Ref	Ref	Ref	Ref
6–10 min	36/377	9.5	0.07	(0.05–0.12)	0.31	(0.16–0.61)	15/278	5.4	0.13	(0.06–0.29)	0.33	(0.12–0.88)	21/99	21.2	0.08	(0.04–0.17)	0.28	(0.10–0.76)
11–15 min	25/818	3.1	0.02	(0.01–0.04)	0.10	(0.05–0.20)	11/614	1.8	0.04	(0.02–0.10)	0.15	(0.06–0.40)	14/204	6.9	0.02	(0.01–0.05)	0.06	(0.02–0.17)
16–20 min	14/894	1.6	0.01	(0.01–0.02)	0.06	(0.03–0.12)	7/690	1.0	0.02	(0.01–0.06)	0.06	(0.02–0.18)	7/204	3.4	0.01	(0.00–0.03)	0.05	(0.02–0.16)
21–25 min	9/687	1.3	0.01	(0.00–0.02)	0.04	(0.02–0.10)	6/511	1.2	0.03	(0.01–0.07)	0.05	(0.02–0.17)	3/176	1.7	0.01	(0.00–0.02)	0.02	(0.01–0.10)
26–30 min	7/412	1.7	0.01	(0.01–0.03)	0.06	(0.02–0.14)	5/302	1.7	0.04	(0.01–0.11)	0.07	(0.02–0.25)	2/110	1.8	0.01	(0.00–0.03)	0.04	(0.01–0.20)
≥ 31 min	7/587	1.2	0.01	(0.00–0.02)	0.04	(0.02–0.11)	6/417	1.4	0.03	(0.01–0.09)	0.07	(0.02–0.22)	1/170	0.6	0.00	(0.00–0.01)	0.01	(0.00–0.08)
P for trend			<.001		<.001				<.001		<.001				<.001		<.001

Adjusted for age category, sex, cause of arrest, witness of arrest, dispatcher instruction, first documented rhythm, bystander CPR, shocks by public-access AED, epinephrine administration, advanced airway management
CPR cardiopulmonary resuscitation, EMS emergency medical service, OR odds ratio, CI confidence interval

ISSN: 1757-7241