Fig. 1From: Influence of volatile anesthesia versus total intravenous anesthesia on chronic postsurgical pain after cardiac surgery using the Initiative on Methods, Measurement, and Pain Assessment in Clinical Trials criteria: study protocol for a prospective randomized controlled trialConsort diagram of study participant flow. TIVA total intravenous anesthesia, NRS numeric rating scale, IMMPACT Initiative on Methods, Measurement, and Pain Assessment in Clinical Trials, QoR-15 15-item Quality of Recovery QuestionnaireBack to article page