Table 1.
Descriptive statistics of the study population
| Variables | Mean (±SD) or n (%) | Range |
|---|---|---|
| Age (years) | 55 (± 4.0) | 46–60 |
| Age groups (years) | ||
| 46–50 | 17 (14%) | – |
| 54–55 | 33 (28%) | – |
| 56–60 | 69 (58) | – |
| BMI (kg/cm2) | 27 (± 3.0) | 20–38 |
| BMI groups (kg/cm2) | ||
| < 25 | 42 (35%) | – |
| 25.1–29.9 | 57 (48%) | – |
| ≥ 30 | 20 (17%) | – |
| Waist-to-hip ratio | 1.0 (±0.6) | 0.85–1.2 |
| Smoking: | ||
| Never | 61 (52%) | – |
| Past or current | 57 (48%) | – |
| Alcohol: | ||
| Yes | 99 (85%) | – |
| No | 18 (15%) | – |
| Biomarkers: | ||
| Testosterone (mg/l) | 15 (±7.0) | 0.6–32 |
| PSA (µg/l) | 1.4 (±1.0) | 0.21–6.2 |
BMI = Body mass index; PSA = prostate-specific antigen.