Fig. 5

a Postoperative pain scores (static) at 0 h. b Postoperative pain scores (static) at 0 h (forest plot for sensitivity analysis). c Postoperative pain scores (static) at 6 h. d Postoperative pain scores (static) at 8 h. e Postoperative pain scores (static) at 8 h (forest plot for sensitivity analysis). f Postoperative pain scores (static) at 12 h. g Postoperative pain scores (static) at 24 h. h Postoperative pain scores (static) at 24 h (forest plot for sensitivity analysis). SMD standard mean difference, CI confidence interval, IV inverse variance, SD standard deviation, ESPB erector spinae plane block, SAPB serratus anterior plane block