Table 2. Semen parameters at randomization.
Data are presented as median (interquartile range) or mean ± standard deviation or number (%).
| Parameters | Antioxidants (n=85) | Placebo (n=86) |
|---|---|---|
| Sperm concentration (million/ml) | 21.0 (11.0, 41.2) | 16.7 (10.4, 42.0) |
| Sperm concentration ≤ 15 million/ml | 31 (36.5) | 39 (45.4) |
| Normal morphology (%)^ | 4.0 (2.0, 8.0), n=63 | 6.0 (3.0, 10.0), n=63 |
| Normal morphology ≤ 4%^ | 33 (52.4) | 19 (30.2) |
| Total motility (%) | 44.9 ± 17.3 | 43.0 ± 15.7 |
| Total motility ≤40% | 36 (42.4) | 43 (50.0) |
| DNA fragmentation (SCSA, DNA fragmentation index) (%) | 18.7 (14.3, 28.3), n=73 | 21.1 (14.1, 28.6), n=74 |
| DNA fragmentation > 25% | 23 (31.5) | 26 (35.1) |
| Total sperm count (million) | 47.6 (24.7, 84.0) | 53.4 (26.4, 90.0) |
| Total motile sperm count (million) | 20.7 (7.4, 44.5) | 23.4 (8.6, 46.7) |
^
p<0.05.
Student’s t test or Wilcoxon’s rank-sum test was used for continuous variables; Chi-square test was used for categorical variables.