Table 1.

Clinical characteristics of the study population

Variables	Mean ± SD	Median (range)
Age (year)	22.69 ± 1.75	22.0 (20–29)
Height (cm)	175.48 ± 4.94	175.0 (163–186)
Weight (kg)	71.85 ± 8.69	71.0 (50–100)
Second digit length (cm)	8.01 ± 0.77	7.9 (6.9–10.5)
Fourth digit length (cm)	8.18 ± 0.88	8.0 (5.5–10.7)
Digit ratio	0.98 ± 0.08	0.97 (0.84–1.49)
Flaccid penile length (cm)	7.39 ± 1.52	7.3 (4.8–11.0)
Erectile penile length (cm)	13.53 ± 1.68	13.1 (10.1, 18.5)
Age of circumcision	9.69 ± 5.91	11.0 (0–19)

Digit ratio: second digit length/fourth digit length. SD: standard deviation.