Table 1.

The functional outcomes of preoperative and last follow-up time (n = 46)

	Preoperative	Last follow-up	P value
AOS total	5.26 ± 0.51	4.19 ± 0.91	0.00
AOS pain	4.39 ± 0.33	3.53 ± 0.89	0.00
AOS function	6.13 ± 0.70	4.85 ± 0.96	0.00
AOFAS	63.5 ± 5.8	73.8 ± 8.6	0.00
AJSD	2.2 ± 0.8	3.1 ± 0.7	0.00
TT	3.8 ± 2.0	3.1 ± 1.5	0.06
ROM	38.2 ± 6.5	39.7 ± 6.4	0.27

AOS Ankle Osteoarthritis Scale, AOFAS American Orthopaedic Foot and Ankle Society ankle-hindfoot scale, TT talar tilt angle, AJSD ankle joint space distance, ROM range of motion of the ankle joint