Figure 4: Box and Whisker plot of CVP in TCI group and Des group in patients undergoing hepatic resection. Results expressed as minimum,maximum, median (line within the box) and 25thand 75th percentiles (error bars) are shown at selected time points.TCI: Target Control Prpopofol/ Fentanyl Infusion; DES, Desflurane. T0: before induction; T3: during dissection; T5: near the end of surgery; T7: 48hours postoperatively. P<0.01 considered significant.