Figure 2.

Comparison of frequency of the train of four statuses between study groups by Chi-square test. Ketamine + magnesium sulfate group included fifty patients who received 0.45 mg/kg magnesium sulfate in combination to ketamine. Ketamine group included fifty patients who received normal saline in combination to ketamine. Before injection of magnesium sulfate and after that the difference in percent of train of four between study groups for train of four status was not statistically significant (after, P = 0.12)