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. Author manuscript; available in PMC: 2019 Sep 1.
Published in final edited form as: Resuscitation. 2018 Jul 18;130:159–166. doi: 10.1016/j.resuscitation.2018.07.015

Table 2:

Compression Rate & Chest Compression Fraction by Survival to Hospital Discharge

Survival to Hospital Discharge
No Yes Overall P-value
Event Average Compression Rate 124.4
[114.9,138.1]		 127.1
[110.8,140.3]		 125.6
[114.3,139.4]		 0.7742
Percent of Events: Rate 100–120 39.1% 26.0% 32.9% 0.0961
Percent of Minutes: Rate 100–120 33.5% 31.2% 32.6% 0.3963
Event Average CCF 0.92 [0.84,0.97] 0.91 [0.84,0.96] 0.92 [0.84,0.97] 0.4372
1

Fisher’s exact test is used for comparison of categorical variables.

2

The Wilcoxon rank-sum test is used for comparison of continuous variables. Continuous variables are summarized using median [Q1,Q3].

3

The association between percent of minutes in guidelines and survival to hospital discharge was assessed using a modified Poisson model assuming an AR (1) correlation structure for minutes within an event.