Table 2.

Comparison of pubertal data of the study cohort with the general population (GP).

	Study cohort (mean ± SDS)	GP (mean ± SDS)	test; p-value
Age at onset of puberty (years)
M	11.96 ± 0.17	12.05 ± 0.85	-0.5; 0.586
F	12.92 ± 0.25	10.3 ± 0.95	10.7; <0.001
Age at PHV (years)
M	14.28 ± 0.18	13.91 ± 0.84	2.1; 0.035
F	12.86 ± 0.23	11.89 ± 0.90	4.2; <0.001
PHV (cm/years)
M	8.30 ± 0.22	8.80 ± 1.05	-2.3; 0.021
F	5.89 ± 0.20	8.13 ± 0.78	-11.1; <0.001
Spurt gain (cm)
M	25.98 ± 0.91	27.56 ± 3.54	-1.7; 0.084
F	13.80 ± 1.25	25.25 ± 4.14	-9.2; <0.001

Data referring to the GP are from (5).

PHV, peak of height velocity.