Table 1. Demographic data of the patients.

LLD: leg length discrepancy; Prox.: proximal; PSPD: periosteal stripping and periosteal division

PSPD
Case	Age at operation, years	Extent of PSPD, mm	Preoperative LLD, mm	Follow-up LLD, mm	ΔLLD, mm	Age at follow-up, years	Follow-up period, months
P1	7	Prox. femur 1/2	18	−2	20	16	108
P2	8	Prox. femur 1/2	27	9	18	11	39
P3	10	Prox. femur 1/2	17	8	9	14	26
P4	11	Prox. femur 1/2	28	22	6	17	73
P5	11	Prox. femur 1/2	21	17	4	14	41
P6	6	Prox. femur 2/3	16	−4	20	9	40
P7	7	Prox. femur 2/3	14	−10	24	9	27
P8	9	Prox. femur 2/3	20	10	10	12	37
P9	13	Prox. femur 2/3	20	14	6	17	55
P10	12	Femur, tibia, fibula	24	2	22	19	90
Controls
Case	Age at implant removal, years		Preoperative LLD, mm	Follow-up LLD, mm	ΔLLD, mm	Age at follow-up, years	Follow-up period, months
C1	7		10	−4	14	10	45
C2	8		12	11	1	14	80
C3	9		5	12	−7	19	117
C4	9		6	−6	12	17	101
C5	13		31	32	−1	16	34
C6	15		5	5	0	16	15