Table 4.

Multivariate regression analysis for the outcome of intrauterine balloon tamponade failure.

Variable	P	OR	95% CI
Obesity	0.534	1.063	0.880–1.301
Multiple gestation	0.009	15.52	2.27–150.454
Estimated blood loss	<0.001	1.166	1.087–1.274
Cesarean delivery	0.710	1.438	0.236–12.808
Placenta accreta spectrum	<0.001	26.993	5.815–205.528

OR, odds ratio; CI, confidence interval.