Fig. 1From: Effects of lidocaine administration via the perforated outer cuff of a dual-cuff endotracheal tube and remifentanil administration on recovery from general anaesthesia for female patients undergoing thyroidectomy: a single centre, double-blind, randomised studyCONSORT diagram of the randomised trial. R, remifentanil; L, topical lidocaine via the perforated outer cuffBack to article page