| Outcome/Subgroup | Studies |
Number (n/N) |
MD (S–GLD) |
SE (MD) |
Effect estimate (95% CI) | Z test |
|
a,bMD in C(a‐v)O2 as inverse indicator of CO at 30 minutes after turn (subgroup with unilateral atelectasis) |
Chan 1992 | 6/30 | 0.258 | 0.471 | 0.26 (‐0.67 to 1.18) | 0.55 (P value = 0.58) |
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