From: End-tidal carbon dioxide monitoring may be associated with a higher possibility of return of spontaneous circulation during out-of-hospital cardiac arrest: a population-based study
Frequency of ETCO2 use
Year
ETCO2 use
Untreated group
NO.
%
2005
7
1.32
522
98.68
2006
2
0.35
571
99.65
2007
5
0.86
574
99.14
2008
1.04
666
98.96
2009
0
643
100
2010
1.07
646
98.93
2011
14
2.03
675
97.97
2012
41
5.84
661
94.16