| Table 3. Correlation between sperm DNA fragmentation, sperm chromatin packing, sperm apoptosis and sperm mitochondrial membrane potential according to the sexual abstinence period. |
| Semen Parameters |
Regression analysis |
Sexual Abstinence Period Groups |
| Spearman's rank correlation |
95% Confidence Interval |
p |
Total n:2458 |
<2 days n:244 |
2-5 days n:1932 |
>5 days n:282 |
p |
| DNA fragmentation (%) |
r: 0.12 |
0.16 to 0.44 |
<0.0001 |
15.4±8.5 |
14.5±8.2a |
15.3±8.4b |
17.1±9.0a,b |
a0.001 b0.002 |
| Abnormal MMP (%) |
r: 0.10 |
0.03 to 0.16 |
0.003 |
25.7±16.4 |
23.3±14.0a |
25.6±16.5 |
28.6±17.5a |
a0.01 |
| CMA3 positivity (%) |
r: -0.12 |
-0.14 to -0.04 |
<0.0001 |
56.1±15.2 |
59.8±15.3a,b |
56.1±15.2a,c |
53.2±14.2b,c |
a0.005 b0.0002 c0.02 |
| Apoptosis (%) |
r: 0.01 |
-0.03 to 0.06 |
0.21 |
19.2 ±7.9 |
19.3±8.5 |
19.1±7.9 |
20.2±7.3 |
0.17 |
| Values within rows with the same superscript letter were significantly different. |