Continuous wound infusion of local anaesthetic agents following colorectal surgery: Systematic review and meta-analysis

Figure 1 A: Forest plot for total postoperative opioid consumption with or without continuous wound infusion of local anaesthetic agent; B: Forest plot for opioid consumption on postoperative d 1 with or without continuous wound infusion of local anaesthetic agent; C: Forest plot for pain VAS at rest on postoperative d 3 with or without continuous wound infusion of local anaesthetic agent; D: Forest plot for pain VAS on coughing or movement on postoperative d 1 with or without continuous wound infusion of local anaesthetic agent; E: Forest plot for pain VAS on coughing or movement on postoperative d 2 with or without continuous wound infusion of local anaesthetic agent; F: Forest plot for pain VAS on coughing or movement on postoperative d 3 with or without continuous wound infusion of local anaesthetic agent.