Fig. 1

Time course of train-of-four counts and its ratio after administration of rocuronium. Rocuronium 20 mg in four divided doses was administered before tracheal intubation (first administration, orange line), 20 mg bolus and additional 5 mg were administered during surgery (second administration, blue line). TOF: train-of-four, TOFR: train-of-four ratio, TOFC: train-of-four count