Placenta previa with posterior extrauterine adhesion: clinical features and management practice

BMC Surgery

Table 3 Multivariate linear regression analysis of the predictors for blood loss during delivery

Variable	Non-SCE		SCE	t-value***	P value	95% CI
Variable	B*	SE	Beta**	t-value***	P value	Inferior	Superior
PEUA^a	266.2	108.3	0.2	2.46	0.02	52.0	480.4
PAS	29.7	78.2	0.033	0.38	0.7	− 124.9	184.4
AMA^b	111.7	62.4	0.15	1.79	0.08	− 11.8	235.2
IVF-ET	− 9.96	74.6	− 0.011	− 0.13	0.89	− 157.6	137.7
Prior CDs	− 125.0	85.2	− 0.13	− 1.47	0.15	− 293.6	43.6
Type of CD	91.4	63.5	0.12	1.44	0.15	− 34.4	217.1

Bold indicates statistical significance
SCE standardized coefficients, SE standard error, CI confidence interval, PAS placenta accreta spectrum, AMA advanced maternal age, IVF-ET in vitro fertilization-embryo transfer, CD cesarean delivery, inferior inferior limit, superior superior limit
*B quantifies the impact of each variable on the intraoperative blood loss during CD. **Beta refers to the change in standard deviation for the intraoperative blood loss for an increment of one standard deviation of the explanatory variable. ***t-value refers to the significance level of B
^aPEUA indicates patients with posterior extrauterine adhesion in the Pre group
^bAMA indicates over 35 years old

ISSN: 1471-2482