Table 3. Difference in bone length between the affected and healthy side.

*P<0.05 between PSPD and controls in the Mann–Whitney U test. Values are presented in mm, mean ± SD

PSPD: periosteal stripping and periosteal division; SD: standard deviation

Group	Difference in femoral length			Difference in tibial length			Difference in leg length
	Baseline	Follow-up	Change	Baseline	Follow-up	Change	Baseline	Follow-up	Change
PSPD	15.4 ± 3.0	6.9 ± 10.3	8.5 ± 8.5	4.1 ± 3.8	0.5 ± 5.7	3.6 ± 5.4	20.5 ± 4.6*	6.6 ± 10.0	13.9 ± 7.6*
Controls	9.7 ± 7.2	8.5 ± 10.9	1.2 ± 6.8	2.3 ± 3.1	0.2 ± 3.5	2.2 ± 2.1	11.5 ± 10.0	8.3 ± 13.8	3.2 ± 8.1