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Table 4 Comparison of semen quality and baseline data of primary screening donors before and after COVID-19

From: Impacts of the COVID-19 pandemic on Chinese assisted reproductive technology institutions and human sperm banks: reflections in the post-pandemic era

 

Before

After

p value

Qualified rate

27.04 (1090/4031)

19.68 (935/4752)

0.000

Semen concentration

50 (30, 62)

48 (30, 64)

0.001

Sperm viability

50 (43, 50)

50 (40, 50)

0.000

Age

21 (20, 24)

21 (20, 23)

0.000

Abstinence days

5 (4, 7)

4 (4, 5)

0.000

BMI

21.3 (19.6, 23.4)

21.5 (19.8, 23.7)

0.001