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| Variable | R2 (%) | p value |
|---|---|---|
| Sperm concentration/ml | 11.4 | <0.001 |
| Total sperm concentration | 11.3 | <0.001 |
| Normal forms | 9.8 | <0.001 |
| Variable | OR (CI) | p value |
| Severe oligozoospermia | 1.09 (1.06-1.11) | <0.001 |
| Azoospermia | 1.06 (1.02-1.10) | 0.001 |
