From: Semen parameter variability among users of at-home sperm testing kits
Group | Number of patients | Number of semen samples | An average number of samples per patient | Age (years, mean) | Duration of abstinence (days, mean) | BMI (mean, kg/m²) | Current smokers (n, %) |
---|---|---|---|---|---|---|---|
Group Ia | 339 | 798 | 2.35 | 33.5 | 3.7 | 25.76 | 26 (7.67) |
Group Ib | 174 | 426 | 2.44 | 33.12 | 3.4 | 26.10 | 14 (8) |