When analysing the evidence for what women experience as being supportive during labour, the hierarchy of evidence (NHS Centre for Reviews and Dissemination, 1996) provided
a helpful framework. The review first explored findings from meta-analyses of randomised controlled trials (RCTs), then individual randomised studies, then meta-analyses of nonrandomized studies and, finally, reviewed individual nonrandomized studies. This assisted in the evaluation of the strength and generalisability of findings, as well as enabling
the review to move from the more general to the specific.
When analysing the evidence for what women experience as being supportive during labour, the hierarchy of evidence (NHS Centre for Reviews and Dissemination, 1996) provided
a helpful framework. The review first explored findings from meta-analyses of randomised controlled trials (RCTs), then individual randomised studies, then meta-analyses of nonrandomized studies and, finally, reviewed individual nonrandomized studies. This assisted in the evaluation of the strength and generalisability of findings, as well as enabling
the review to move from the more general to the specific.
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