Incidence of cardiac arrests and unexpected deaths in surgical patients before and after implementation of a rapid response system

Annals of Intensive Care

Table 3 Cardiac arrests and unexpected deaths before (period 1) and after (period 2) implementation of an RRS

	period 1		period 2		OR*	95%CIv for OR	p-value
	n = 1376		n = 2410		OR*	95%CIv for OR	p-value
Patients with cardiac arrests and/or unexpected deaths (%)	7	(0.50)	6	(0.25)	0.43	0.14-1.30	0.134
Number of cardiac arrests (%)	4	(0.29)	3	(0.12)	0.38	0.09-1.73	0.214
Number of unexpected deaths (%)	5	(0.36)	4	(0.17)	0.42	0.11-1.58	0.200

ICU = Intensive care Unit IQR = inter-quartile range LOS = length of stay in days OR = odds ratio * Logistic regressions adjusted for age, gender and ASA 95%CI = 95% confidence interval.