Fig. 3From: Comparison of the effects of one-level and bi-level pre-incisional erector spinae plane block on postoperative acute pain in video-assisted thoracoscopic surgery; a prospective, randomized, double-blind trialThe average of those with a VAS score above 3 at all times, including the %95 confidence interval. CI: Confidence interval; ESPB: Erector Spinae Plane BlockBack to article page