Table 1.

Univariable and multivariable results for pregnancy rate and live birth rate

	Pregnancy rate				Live birth rate
	Univariable		Multivariable		Univariable		Multivariable
Parameter	OR (95% CI)	p	OR (95% CI)	p	OR (95% CI)	p	OR (95% CI)	p
Female age (years)	0.96 (0.95–0.98)	0.001	0.97 (0.95–0.99)	0.031	0.95 (0.93–0.97)	< 0.001	0.95 (0.93–0.98)	< 0.001
Male age (years)	0.98 (0.96–1.00)	0.014			0.96 (0.94–0.98)	< 0.001
Female BMI (kg/m2)	1.04 (1.02–1.07)	0.002			1.05 (1.02–1.08)	0.002
Male BMI (kg/m2)	0.94 (0.85–1.05)	0.251			0.94 (0.84–1.06)	0.332
Smoking (yes/no)	0.88 (0.71–1.09)	0.231			0.79 (0.62–1.00)	0.054
Infertility duration (months)	1.00 (1.00–1.01)	0.849			1.00 (1.00–1.01)	0.631
FSH d3 (mUI/mL)	0.91 (0.87–0.94)	< 0.001	0.89 (0.85–0.93)	< 0.001	0.90 (0.87–0.94)	< 0.001	0.88 (0.84–0.93)	< 0.001
Etiology
Anovulation	1.21 (0.96–1.53)	0.111	1.46 (1.12–1.91)	0.005	1.15 (0.87–1.52)	0.318
Partial tubal factor	1.02 (0.68–1.52)	0.929			1.03 (0.69–1.56)	0.870
Endometriosis	0.66 (039–1.11)	0.114			0.63 (0.34–1.17)	0.145
Mild male factor	1.02 (0.83–1.25)	0.836			0.93 (0.75–1.17)	0.553
Male and Female Factors	1.18 (0.70–1.98)	0.526			1.31 (0.77–2.24)	0.325
Unexplained	1.00 (0.85–1.18)	0.970			1.07 (0.90–1.29)	0.437
Multiple female factor	0.92 (0.25–3.37)	0.900			0.59 (0.10–3.40)	0.551
Recurrent miscarriage	2.28 (0.69–7.53)	0.176			3.05 (0.92–10.09)	0.067
Reduced ovarian reserve	0.51 (0.30–0.87)	0.013			0.45 (0.24–0.83)	0.010
TPMC pre (× 106)	1.07 (1.00–1.15)	0.039	1.11 (1.03–1.21)	0.009	1.09 (1.01–1.18)	0.023	1.13 (1.04–1.23)	0.006
TPMC post (× 106)	1.02 (0.99–1.05)	0.214			1.03 (0.99–1.05)	0.111
Δ TMC %	0.99 (0.94–1.04)	0.728			1.01 (0.96–1.06)	0.631
Normal morphology pre %	1.02 (1.01–1.04)	0.008			1.03 (1.01–1.05)	< 0.001
Normal morphology post %	1.01 (0.99–1.02)	0.363			1.01 (1.00–1.03)	0.186
Δ normal morphology % (× 100)	0.94 (0.86–1.03)	0.175			0.92 (0.82–1.03)	0.153
E&N test %	1.00 (0.99–1.02)	0.712			1.01 (0.99–1.02)	0.547

TPMC total progressive motile count, E&N eosin and nigrosin staining technique