Relationship between Abdominal Circumference and Incidence of Hypotension during Cesarean Section under Spinal Anesthesia
Table 3
Multiple logistic regression analysis of factors associated with significant hypotension after spinal anesthesia in pregnant women.
Independent variables
Crude OR (95% CI)
value
Adjusted OR (95% CI)
value
Larger AC group (versus smaller AC group)
2.73 (1.12–6.65)
0.02
3.67 (1.01–13.28)
0.04
Age
0.98 (0.92–1.05)
0.73
0.98 (0.91–1.05)
0.57
Body mass index
1.04 (0.96–1.14)
0.28
0.98 (0.86–1.11)
0.76
ASA physical status 3 (versus 2)
0.54 (0.05–5.05)
0.54
0.51 (0.04–5.68)
0.58
Baseline heart rate
1.00 (0.96–1.04)
0.87
0.99 (0.95–1.03)
0.84
Intravenous fluid (per mL)
1.00 (0.99–1.00)
0.60
1.00 (0.99–1.00)
0.61
Blood loss (per mL)
0.99 (0.99–1.00)
0.48
0.99 (0.99–1.00)
0.23
Bupivacaine dose (per mL)
1.28 (0.70–2.36)
0.41
1.19 (0.71–2.01)
0.49
Data were analyzed using multiple logistic regression analysis. All variables were evaluated 10 minutes after induction of spinal anesthesia. AC: abdominal circumference; ASA: American Society of Anesthesiologists; OR: odds ratio; CI: confidence interval.
