|Weighted event rates|
|Outcomes at 3–12 months||Number of trials (n)||Hypothermia||Normothermia||RRR (95% CI)||NNT (CI)|
|*Abbreviations defined in glossary; RRR, RRI, NNT, NNH, and CI calculated from data in article using a fixed effects model.|
|All cause mortality||12 (1061)||28%||33%||14% (−3 to 28)||Not significant|
|Death or severe disability||9 (746)||50%||57%||12% (0 to 23)||Not significant|
|RRI (CI)||NNH (CI)|
|Pneumonia||7 (281)||44%||29%||51% (10 to 108)||7 (4 to 25)|
Review: mild induced hypothermia does not reduce mortality or severe disability in moderate to severe head injury
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