Table 6.
Comparison of semen analysis indices between two groups of total testicular volume (TTV) below and above 30 ml
| TTV (ml) | N | Mean | SD | p-value * | |
|---|---|---|---|---|---|
| Sperm count (×104 cells/ml) | <30 | 18 | 30.10 | 25.15 | 0.003 |
| >30 | 91 | 61.95 | 49.61 | ||
| Semen volume (ml) | <30 | 17 | 3.47 | 1.63 | 0.456 |
| >30 | 91 | 4.46 | 6.23 | ||
| Grade 4 motility (%) | <30 | 18 | 22.00 | 21.02 | 0.027 |
| >30 | 91 | 35.70 | 22.50 | ||
| Grade 3 motility (%) | <30 | 17 | 12.05 | 17.44 | 0.144 |
| >30 | 91 | 7.10 | 13.30 | ||
| Progressive motility (%) | <30 | 18 | 33.38 | 18.69 | 0.071 |
| >30 | 91 | 42.80 | 20.11 | ||
| Grade 2 motility (%) | <30 | 18 | 3.72 | 2.19 | 0.160 |
| >30 | 91 | 5.37 | 4.65 | ||
| Grade 1 motility (%) | <30 | 18 | 4.55 | 3.71 | 0.162 |
| >30 | 91 | 5.81 | 7.73 | ||
| Grade 0 motility (%) | <30 | 18 | 58.11 | 17.83 | 0.016 |
| >30 | 91 | 45.97 | 19.47 | ||
| Morphology (%) | <30 | 18 | 35.89 | 15.78 | 0.007 |
| >30 | 91 | 47.51 | 15.68 |
*
Mann–Whitney U test. Bold p-values represent statistical significance (p<0.01)