Fig 1.
Flow diagram of the study selection process for the meta-analysis.
Table 1.
Characteristics of eligible studies included in this meta-analysis.
Fig 2.
Forest plot for weight mean difference in total postoperative drainage between harmonic scalpel dissection and electrocautery used by random-effect model.
Fig 3.
Forest plot for odds ratio of seroma development between harmonic scalpel dissection and electrocautery in mastectomy used by fixed-effect model.
Fig 4.
Forest plot for weighted mean difference in intraoperative blood loss between harmonic scalpel dissection and electrocautery in mastectomy used by random-effect model.