Table 1 The semen parameters of 75 non-smokers and 70 heavy smokers
Parameter | Non-smokers | Heavy smokers | P |
|---|---|---|---|
N | 75 | 70 | |
Age (y) | 34.4 ± 5.7 | 35.8 ± 4.5 | 0.101 |
Sperm volume (mL) | 3.2 ± 1.1 | 3.2 ± 1.2 | 0.836 |
Sperm concentration (X106) | 64.6 ± 15.6 | 56.5 ± 35.4 | 0.081 |
Sperm count (X106 cells/mL) | 216.5 ± 134.3 | 189.6 ± 152.5 | 0.262 |
Sperm progressive motility (%) | 45.5 ± 12.2 | 36.9 ± 15.7 | 0.000 |
Abnormal sperm morphology (%) | 95.1 ± 3.2 | 96.1 ± 1.8 | 0.230 |
Sperm vitality (%) | 65.4 ± 14.8 | 59.4 ± 17.9 | 0.029 |