From: Lower versus higher oxygen targets for out-of-hospital cardiac arrest: a systematic review and meta-analysis
Study
RR, 95%CI
Excluding the most weighted trial
Bernard [13]
0.88 (0.74, 1.05)
Excluding trials with high risks
Bray [20], Jakkula [21], Kuisma [18]
0.93 (0.72, 1.19)
Using a fixed-effect model
–
0.99 (0.88, 1.11)