Remifentanil (mg) 3.68±0.52 - - Propofol (mg) 933±148 - - Fentanyl (mg) 0.18±0.03 0.47±0.03 <0.001 Pentobarbital (mg) - 260±30 - Desflurane (ml) - 113±17 - Cisatracurium (mg) 15±2 13±1 0.71 EDA (ml) 7.6±1.1 6.2±0.9 0.35 Data are given in mean±SEM. ASA: American Association of Anesthesiologists, EDA: epidural analgesia, TIVA: total intravenous anesthesia

Table 2: Peroperative drug requirements.