Table 5.

Multivariate logistic regression analysis for the factors to predict miscarriage

Items	B	SE	z	Wald χ2	p	OR	95% CI
Female age	− 0.095	0.066	− 1.451	2.104	0.147	0.909	0.799–1.034
Male age	0.018	0.043	0.416	0.173	0.678	1.018	0.935–1.109
BMI	− 0.115	0.031	− 3.734	13.940	0.000	0.891	0.839–0.947
Infertility duration	0.069	0.067	1.030	1.061	0.303	1.071	0.940–1.221
AMH	0.020	0.046	0.428	0.183	0.669	1.020	0.932–1.117
FSH	0.142	0.070	2.017	4.067	0.044	1.152	1.004–1.323
LH	− 0.029	0.024	− 1.220	1.487	0.223	0.971	0.927–1.018
E2	0.006	0.004	1.604	2.573	0.109	1.006	0.999–1.014
T	0.051	0.089	0.577	0.332	0.564	1.052	0.885–1.252
Infertility diagnosis	− 0.159	0.088	− 1.810	3.277	0.070	0.853	0.718–1.013
AFC	0.018	0.028	0.654	0.428	0.513	1.018	0.965–1.075
Sperm concentration	0.009	0.005	1.702	2.895	0.089	1.009	0.999–1.020
Sperm progressive motility	− 0.011	0.008	− 1.469	2.159	0.142	0.989	0.974–1.004
Endometrial thickness	− 0.022	0.038	− 0.564	0.318	0.573	0.979	0.908–1.055
COH protocol	− 0.031	0.124	− 0.250	0.062	0.803	0.970	0.761–1.235

BMI, body mass index; AMH, anti-Müllerian hormone; FSH, follicle stimulating hormone; LH, luteinizing hormone; E₂, estradiol; T, testosterone; AFC, antral follicle count; COH, controlled ovarian stimulation