Table 1.
Sperm parameters according to leukocyte concentration category
| Leukocyte concentration category | Statistical comparisons between groupsa | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | A/B | A/C | A/D | A/E | |
| Age (years) | 35.0 (29.0-40.0) |
35.0 (30.0-41.0) |
36.0 (31.0-41.0) | 33.5 (29.0-40.0) | 33.0 (27.0-39.75) | 0.629 | 0.176 | 0.762 | 0.14 |
| Sperm concentration (106/mL) |
2.6 (0.1-7.25) |
5.5 (2.2-11.76) | 4.6 (1.9-8.7) | 4.6 (1.8-9.76) | 3.6 (1.6-9.53) | 0.001 | 0.001 | 0.002 | 0.014 |
| Normal morphology (%) |
14.0 (0-26.5) |
19.0 (11.25-32.0) | 18.0 (11.0-37.0) | 19.0 (11.25-26.75) |
14.0 (7.25-25.75) | 0.001 | 0.003 | 0.021 | 0.452 |
| Head deformities (%) |
24.0 (0.0-35.0) |
31.0 (18.25-39.0) | 32.0 (22.5-39.0) | 31.5 (22.5-40.0) | 31.0 (20.0-39.0) | 0.001 | 0.001 | 0.001 | 0.004 |
| Midpiece deformities (%) |
22.0 (0.0-35.0) |
29.0 (20.0-36.0) | 30.0 (20.0-39.0) | 32.5 (22.5-38.0) | 31.5 (20.5-39.0) | 0.001 | 0.001 | 0.001 | 0.001 |
| Tail deformities (%) |
5.0 (0.0-11.0) |
7.0 (4.0-11.0) | 7.0 (3.0-10.5) | 9.0 (6.0-12.0) | 8.0 (4.0-12.0) | 0.004 | 0.041 | 0.001 | 0.016 |
| Motility grade a+b (%) | 20.0 (0-45-0) |
32.0 (9.0-60.75) | 29.0 (10.0-46.5) | 28.5 (8.25-56.75) | 20.5 (10.0-39.25) | 0.001 | 0.123 | 0.09 | 0.588 |
| Motility grade a (%) | 12.0 (0.0-31.0) |
22.5 (4.25-44.0) | 19.0 (3.0-36.0) | 18.0 (4.25-36.75) | 11.0 (0.5-27.0) | 0.001 | 0.216 | 0.086 | 0.989 |
| Motility grade b (%) | 5.0 (0.0-13.0) |
9.0 (3.0-15.0) | 8.0 (0.0-15.0) | 9.0 (0.0-15.0) | 7.0 (0.0-13.0) | 0.001 | 0.04 | 0.076 | 0.29 |
| Motility grade c (%) | 2.0 (0.0-8.0) |
5.0 (2.0-10.0) | 5.0 (0.5-11.0) | 4.5 (0.25-8.0) | 5.0 (0.0-10.0) | 0.001 | 0.002 | 0.072 | 0.026 |
| Motility grade d (%) | 42.0 (1.5-76.0) |
51.0 (23.2-73.5) | 56.0 (31.0-87.0) | 56.0 (31.0-87.0) | 68.0 (35.5-85.0) | 0.015 | 0.002 | 0.006 | 0.001 |
| Leukocyte concentration (106/mL) |
0.0 | 0.25 (0.25-0.25) |
0.5 (0.5-0.5) | 0.75 (0.75-0.75) | 1.25 (1.0-1.93) | 0.001 | |||
aMann-Whitney t test
Category A: >0 to <0.25 × 106/mL; category B: >0.25 to <0.5 × 106/mL; category C: >0.5 to <0.75 × 106/mL; category D: >0.75 to <1 × 106/mL; category E: >1 × 106/mL. Bold denotes values that differ significantly from category A. Data are given in medians and interquartile ranges.