Characteristics of spinal anesthesia and incidence of adverse events.

The values are presented as the median (interquartile range), or the number of patients (%) per group.Group NO = non-obese group; Group O = obese group; MBP = mean blood pressure; decrease in MBP = baseline MBP—lowest MBP.a Other variables except these two were analyzed by using data of those with successful anesthesia induction.b p-values are the results of log rank test.Characteristics of spinal anesthesia and incidence of adverse events.