Table 4. Association between COVID-19 infection and clinical outcomes on crude and adjusted analysis.

Parameter	Crude OR (95% CI)	P value	Adjusted OR (95% CI)	P value
Biochemical pregnancy
Non COVID-19 group (n = 167)	1		1
COVID-19 group (n = 160)	0.998 (0.645∼1.546)	0.995	1.140 (0.715∼1.818)	0.583
Clinical pregnancy
Non COVID-19 group (n = 167)	1		1
COVID-19 group (n = 160)	1.016 (0.658∼1.569)	0.942	1.107 (0.694∼1.764)	0.670
Ongoing pregnancy
Non COVID-19 group (n = 167)	1		1
COVID-19 group (n = 160)	1.109 (0.717∼1.714)	0.642	1.194 (0.746∼1.910)	0.461
Early abortion
Non COVID-19 group (n = 167)	1		1
COVID-19 group (n = 160)	0.649 (0.245∼1.718)	0.384	0.694 (0.250∼1.931)	0.484
Live birth
Non COVID-19 group (n = 167)	1		1
COVID-19 group (n = 160)	0.974 (0.629∼1.509)	0.908	0.953 (0.597∼1.523)	0.842

Notes.

Logistic analyses (adjusted for age, BMI, infertility duration, endometrial thickness, number of embryos transferred, transfer of ≥1 good-quality embryo and luteal support protocols).