Table 2

The effect of a methodologist role and systematic review process on expert opinion recommendations

MethodologistTotalp
Yes (n=24)No/Unclear (n=45)
Mean rate of EO recommendations per guideline* (SD)0.30 (0.18)0.49 (0.33)0.43 (0.30)0.03
Mean rate of EO recommendations that cited evidence† (SD)0.51 (0.31)0.22 (0.2)0.32 (0.3)<0.001
Number of guidelines that used ‘Lack of evidence’ as a rationale for the EO recommendations (%)14 (50)14 (31.1)28 (40.6)0.04
Number of CPG that had its own SR in it or had an SR commissioned (%)21 (87.5)7 (15.6)28 (40.6)<0.001
Number of CPG that cited published SRs, had a rapid review or an updated literature scan (%)3 (12.5)38 (84.4)41 (59.4)
CPG that had its own SR in it or had SR commissioned (n=28)CPG that cited published SRs or had a rapid review or an updated literature scan (n=41)Totalp
Mean rate EO recommendations that cited evidence† (SD)0.54 (0.31)0.18 (0.19)0.32 (0.30)<0.001