3.5.3. Sensitivity Analysis

After excluding one study in the sensitivity analysis, (1) BEEV showed a tendency to be most effective in all 16 analyses; (2) in three sensitivity analyses (when excluding [40,44,47]), the ranking between MANU and ELEC was changed, with ELEC showing a better effect; and (3) CONV tended to have the smallest effect size throughout the analysis (Supplementary Materials Digital Content 6).
