Caesarean section defects may affect pregnancy outcomes after in vitro fertilization-embryo transfer: a retrospective study

Table 5 Subgroup analysis of women who did and did not have fluid in the cavity

Parameter	Non-cavity fluid group (n = 49)	Cavity fluid group (n = 25)	Crude OR (95%CI)	Adjusted OR (95%CI)
Live birth	22.4%(11/49)	20.0%(5/25)	0.86(0.26 ~ 2.83)	1.06(0.26 ~ 4.34)
Positive hCG test	38.8%(19/49)	28%(7/25)	0.61(0.21 ~ 1.74)	0.76(0.20 ~ 2.85)
Clinical pregnancy	32.7%(16/49)	24%(6/25)	0.65(0.21 ~ 1.94)	0.96(0.24 ~ 3.77)
Mean implantation rate (mean ± SD)	0.26 ± 0.39	0.22 ± 0.41	0.95(0.79 ~ 1.15)	1.01(0.84 ~ 1.20)
Early abortion	4/16	0/6
Ectopic pregnancy	0/16	1/6

(adjusted for age, infertility cause, infertility category, BMI, endometrial thickness at the hCG trigger, fertilization methods, the number of embryos transferred, high-quality embryos transferred, and day of transfer)

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