Table 2. IVF outcomes and conventional embryo scoring of male smokers and non-smokers.
Values are presented as means ± standard deviation.
IVF = in vitro fertilization
| Variable | Smokers (n = 45 patients) | Non-smokers (n = 139 patients) | p-value | |
| Oocytes inseminated (n) | 5.5±5.2 | 5.4±3.9 | 0.548 | |
| Fertilization rate (%) | 68.5 (126/184) | 67.6 (413/611) | 0.857 | |
| Embryos cultured (n) | 3.2±2.3 | 3.2±2.7 | 0.418 | |
| Top-quality embryo rate on day 3 (%) | 61.9 (78/126) | 63.9 (263/413) | 0.752 | |
| Day 5 blastocyst formation rate (%) | 79.4 (100/126) | 77.5 (320/413) | 0.714 | |
| Top-quality embryo rate on day 5 (%) | 42.9 (54/126) | 38.7 (160/413) | 0.408 | |
| Clinical pregnancy rate (%) | 57.1 (20/35) | 68.8 (64/93) | 0.220 | |
| Miscarriage rate (%) | 10.0 (2/20) | 20.3 (13/64) | 0.504 | |
| Live birth rate (%) | 85.0 (17/20) | 71.9 (46/64) | 0.251 | |