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Table 2 Comparison of semen parameters before and after COVID-19 infection

From: Does COVID-19 affect sperm quality in males? the answer may be yes, but only temporarily

 

before COVID-19 infection

within 3 months after COVID-19 infection

t / Z

p-value

n

34

34

  

Sexual abstinence (day)

4.50(3.00–6.00)

5.00(3.00–6.00)

-0.049

0.961 a

PH

7.17 ± 0.31

7.20(7.00-7.40)

-0.238

0.812a

Semen volume (mL)

3.13 ± 1.26

3.00(2.00–4.00)

0.807

0.425b

Sperm concentration (×106/mL)

56.79 ± 29.38

44.85(28.33–69.75)

2.391

0.023b

Total sperm number(×106 per ejaculate)

172.21 ± 93.50

138.50 ± 70.60

3.155

0.003b

Total motility (%)

44.06 ± 9.90

41.38 ± 12.41

1.678

0.103b

Progressive motility (%)

33.12 ± 11.05

30.71 ± 11.78

1.534

0.135b

Normal morphology (%)

5.00(4.00–9.00)

5.00(3.00–8.00)

-1.200

0.230a

  1. a Wilcoxon Signed-Ranks Test
  2. b Paired Samples Test