Descriptive Characteristics of systematic reviews.

cIt should be noted that where CAM reviews are pharmacological pertains to reviews which include a CAM and conventional intervention.dSRS [13], RevMan [32], Endnote [33], GRADEpro [34], Refworks [35].eSubstitute use defined as using CONSORT [17], STROBE [36], STRICTA [30] and GRADE [37] for reporting SRs.fSpecifically referred to as reporting guidance, Cochrane Handbook or named Cochrane review group [10], STRICTA [30], GRADE [37], Centre for evidence-based medicine guidelines at the University of Oxford [38], NICE Guidance [39], Cooper’s 5-stage model, Guidelines from the Philadelphia panel classification system [40], AHRQ guidance [41].gSynthesis had to include more than one study and estimates reported both in the text and as a figure were only included in the count once.