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Table 1 Characteristics of men with normozoospermia (group Ia) and oligozoospermia (group Ib)

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)