Fig. 1From: Effect of dexmedetomidine on intraoperative Surgical Pleth Index in patients undergoing video-assisted thoracoscopic lung lobectomyComparison of SPI values between the two groups undergoing video-assisted thoracoscopic lung lobectomy from the time patients entered the operating room to when they left the recovery room. SPI: Surgical Pleth Index, PACU: post anesthesia care unit, *P < 0.05Back to article page