Where do we need to improve resuscitation? Spatial analysis of out-of-hospital cardiac arrest incidence and mortality

Table 2 Defibrillator connection time and time to first shock of out-of-hospital cardiac arrests in the high-, neutral-, and low-survival areas

Variables		High-survival	Neutral-survival	Low-survival	P
Defibrillator connection time (min)	n	370	1700	504
	Mean	08:21	09:40	10:06	< 0.001
	Median (IQR)	07:41 (05:54 − 10:06)	09:02 (07:00–11:45)	09:17 (07:10–11:53)
Time to first shock (min)	n	203	652	156
	Mean	08:25	09:49	10:28	< 0.001
	Median (IQR)	07:49 (05:56 − 10:13)	09:09 (07:04–11:41)	09:43 (07:12–12:24)

Defibrillator connection time is retrieved from either a connected automatic external defibrillator or from the manual defibrillator of the Emergency Medical Service. Values exceeding 30 min were excluded from analysis in this table. P-values were obtained by a Kruskal-Wallis test.

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