Table 1. Characteristics of the study population (n=144).
| Mean±s.d. | Median (range) | |
|---|---|---|
| Age (years) | 57.3±16.5 | 59.0 (21.0–89.0) |
| Height (cm) | 168.1±6.7 | 168.0 (152.0–184.0) |
| Weight (kg) | 67.1±10.3 | 67.0 (45.0–100.0) |
| BMI (kg m−2) | 23.72±3.08 | 23.53 (15.19–33.41) |
| Second-digit length (cm) | 7.3±0.5 | 7.2 (6.2–8.6) |
| Fourth-digit length (cm) | 7.5±0.6 | 7.4 (6.2–9.1) |
| Digit ratio | 0.97±0.04 | 0.97 (0.88–1.12) |
| Flaccid penile length (cm) | 7.7±1.7 | 7.8 (4.0–12.0) |
| Stretched penile length (cm) | 11.7±1.9 | 11.5 (7.5–17.0) |
| Penile ratio | 1.54±0.25 | 1.50 (1.15–2.44) |
Abbreviations: BMI, body mass index; digit ratio, second digit length/fourth digit length; penile ratio, stretched penile length/flaccid penile length.