Figure 2From: Comparison of sufentanil with sufentanil plus magnesium sulphate for sedation in the intensive care unit using bispectral indexHourly bispectral index (BIS) values. No statistically significant differences were found between the groups (P > 0.05). Group 1 (n = 15) received sufentanil infusion alone, whereas group 2 (n = 15) received sufentanil plus magnesium sulphate. Data are expressed as means ± standard deviation.Back to article page