Fig. 4From: Effects of sevoflurane and propofol on the optic nerve sheath diameter in patients undergoing laparoscopic gynecological surgery: a randomized controlled clinical studiesComparison of BIS at each time points between two groups. There are no significant differences between two groups at each time points (Values of p were 0.093、0.065, 0.191, 1.000, 0.970, 0.503 and 0.368). BIS Bispectral indexBack to article page