Analgesic efficacy of erector spinae plane block for oncologic breast surgery: A meta‐analysis and trial sequential analysis.

The article offers information on Cochrane Collaboration methodology and PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses). Topic include Mean Difference (MD) and 95% Confidence Interval (CI) were calculated for continuous outcomes and Odds Ratio (OR) with 95% CI for dichotomous outcomes.