Table 2 Comparison of sociodemographic characteristics and semen parameters of qualified sperm donors before and after the COVID-19 pandemic
From: The impact of the COVID-19 pandemic on semen quality of uninfected men
Before COVID-19 (n = 165) | After COVID-19 (n = 105) | P value | |
|---|---|---|---|
Age (years) (mean, SD) | 25.9 (5.3) | 27.6 (6.0) | 0.018 |
Abstinence time (days) (mean, SD) | 4.9 (1.4) | 4.8 (1.4) | 0.491 |
BMI (kg/m2) a (mean, SD) | 23.4 (3.1) | 23.9 (2.9) | 0.234 |
Education level b | 0.003 | ||
Less than college (%) | 19.2 | 35.6 | |
College or higher (%) | 80.8 | 64.4 | |
Occupation c | < 0.001 | ||
Mental labor (%) | 29.8 | 25.0 | |
Physical labor (%) | 22.5 | 52.9 | |
Unemployment (%) | 2.6 | 2.9 | |
Student (%) | 45.0 | 19.2 | |
Semen parameters (median, IQR) | |||
Volume (ml) | 2.4 (1.3) | 2.4 (1.2) | 0.941 |
Sperm concentration (106/ml) | 60.0 (29.0) | 56.0 (30.0) | 0.153 |
Total sperm count (106) | 140.0 (99.6) | 124.0 (111.8) | 0.374 |
Progressive motility (%) | 52.0 (14.0) | 52.0 (10.0) | 0.826 |
Total motility (%) | 62.0 (12.0) | 62.0 (8.0) | 0.632 |
Number of progressive motility (106) | 69.1 (62.6) | 65.5 (66.3) | 0.668 |
Normal sperm morphology (%) | 6.5 (3.5) | 6.5 (2.5) | 0.192 |