Table 1.

Table summarizing the descriptive statistics of the study group and the p-value of comparisons of selected variables

	Study group	p-value
Number of the ulnas	31
Gender (m/f)	14/17
Age [years]	9,4 ± 3,4
Initial length [mm]	117,1 ± 28,9	P < 0,05
Final length [mm]	139,8 ± 32,1
Lengthening [mm]	23 ± 9
Length increase [%]	20 ± 8
Stabilization period [months]	5 ± 2
Healing rate [months/cm]	2,7