Table II.
Mean and median semen parameter characteristics by WHO cutoff criteria for men seeking infertility evaluation from January 2000 to May 2003 (N = 192).
| Mean ± SD | Median | |
|---|---|---|
| Concentration (million/ml) | ||
| Normal | 115.10 ± 85.71 | 87.00 |
| Abnormal | 11.44 ± 3.92 | 12.80 |
| Motility (% motile) | ||
| Normal | 69.58 ± 10.54 | 70.46 |
| Abnormal | 29.66 ± 14.30 | 31.91 |
| Morphology (% normal) | ||
| Normal | 8.62 ± 3.62 | 8.00 |
| Abnormal | 1.97 ± 0.92 | 2.00 |
WHO sperm abnormality cutoff criteria: concentration (<20 million/ml), motility (<50% motile sperm) and morphology (<4% normal morphological sperm).