Table 2. Clinical and radiographic results.

Characteristics	Value
Harris Hip Score
Pre-operative	63.2 (32 to 86)
Post-operative	93.6 (58 to 100)
Duration of follow-up (month)	36.0 (15 to 80)
Lateral Head Index (%)
Pre-operative	11.8 (0 to 26)
Post-operative	36.7 (21 to 53)
Varus angulation (degree)	21.7 (15 to 38)
Actual leg shortening (mm)	1.7 (-5.1 to 11.4)
Actual lateralization (mm)	-1.1 (-11.5 to 8.2)
Shift of the center of the osteotomy arc from femoral head
Lateral shift (A) (mm)	3.3 (-8.0 to 21.0)
Distal shift (B) (mm)	9.3 (1.0 to 21.0)