| Outcome/Subgroup | Studies |
Number (n/N) |
MD (S–BLD) |
SE (MD) |
Effect estimate (95% CI) | Z test |
|
a,bMD in PaO2 at 30 minutes after turn (subgroup with unilateral atelectasis) |
Chan 1992 | 6/30 | ‐4.0 | 2.338 | ‐4.00 (‐8.58 to 0.58) | 1.71 (P value = 0.09) |
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