| Table 2. Comparative results after slow and ultra-rapid freezing techniques (mean ± SD) | ||
| Cryopreservation technique | Slow Freezing n: 24 | Ultra-rapid freezing n: 24 |
|---|---|---|
| Concentration (106/ml) | 39.0±19.9 | 38.8±11.9 |
| Progressive motility (%) | 16.6±7.4* | 34.7±10.2** |
| Non-progressive motility (%) | 9.0±4.0* | 7.6±2.8** |
| Immotile (%) | 74.4±10.1* | 57.8±10.3** |
| (*,**) Significant differences (p<0.05). | ||