BMI, body mass index
SECONDARY, COMPLICATIONS
The Kruskal–Wallis test indicated a statistically significant difference in the total number of vasopressor boluses used (There was no significant difference in secondary outcome among the three groups (Table Furthermore, no side effects or serious complications were observed in any of the groups.
The total number of vasopressor boluses after inducing combined spinal epidural anesthesia. The probability was calculated using the Kruskal–Wallis test by ranks. A pairwise comparison was performed using Dunn’s test if the Kruskal–Wallis test was significant*Group O < Group Cn.s., not significant
The total dose of phenylephrine after inducing combined spinal epidural anesthesia. The probability was calculated using the Kruskal–Wallis test by ranks. A pairwise comparison was performed using Dunn’s test if the Kruskal–Wallis test was significant**Group O < Group Cn.s., not significant
Primary and secondary outcomes

Data are expressed as median [interquartile range]CSA: cross-sectional area; BE: base excess; PCO