a significant trendP<0.01
The results of the meta-analysis demonstrated that there was a significant trend towards a lower risk of objective incidence [67%; risk ratio (RR), 0.33; 95% confidence interval (CI), 0.16–0.67; P<0.01] and subjective incidence (66%; RR, 0.34; 95% CI, 0.16–0.75; P= 0.01) of Frey syndrome in the SCMF group.