Effects of Supplemental Oxygen on Maternal and Neonatal Oxygenation in Elective Cesarean Section under Spinal Anesthesia: A Randomized Controlled Trial
Table 1
Perioperative maternal characteristics.
Variables
Room-air group
Oxygen group
value
()
()
Age (years)
28.7 ± 3.1
28.5 ± 3.3
0.55
Body mass index (kg/m2)
27.4 ± 3.0
27.2 ± 3.2
0.74
Indications for surgery
0.44
Previous cesarean section
103 (63.2)
94 (58.0)
Elective cesarean section
34 (20.9)
45 (27.8)
Breech presentation
9 (5.5)
9 (5.6)
Cephalopelvic disproportion
4 (2.5)
1 (0.6)
Other
13 (7.9)
13 (8.0)
Baseline hematocrit (%)
35.7 ± 2.8
35.6 ± 3.1
0.79
Amount of preload fluid (mL)
476.7 ± 194.5
467.3 ± 217.0
0.68
Total dose of 0.5% heavy Marcaine and morphine for spinal block