| Male age groups (years) | |||||
|
| X1: 50 - 59 | X2: 60 - 69 | X3: ≥70 | Y: 25 - 35 | Total |
| Sperm chromatin fragmentation |
|
|
|
|
|
| Low damage | 29 (14.5)* | 11 (5.5) | 8 (4) | 485 (81) | 534 |
| Intermediate damage | 53 (26.5) | 42 (21) | 24 (12) | 71 (11.8) | 190 |
| High damage | 118 (59) | 147 (73.5) | 24 (12) | 43 (7.2) | 476 |
| Total | 200 | 200 | 200 | 600 | 1,200 |