Table 2.

Comparison of accuracy by radiographic parameters

	Before surgery	At the last visit	95% CI	T value	P value
Talar arc length (mm)	61.23 ± 6.33	59.12 ± 4.15	− 1.89~6.12	1.36	0.233
Talar height (mm)	27.59 ± 5.99	34.56 ± 3.54	− 13.05~-0.87	2.94	0. 032
Talar width (mm)	43.95 ± 6.40	41.96 ± 4.00	− 4.99~9.06	0.74	0. 492
Tibial alignment angle (°)	84.83 ± 7.11	88.34 ± 4.50	− 9.07~2.06	− 1.62	0. 166
Talar tilt angle (°)	2.57 ± 3.25	1.10° ± 2.02	− 0.31~3.24	2.12	0.087
Bohler’s angle (°)	43.35 ± 10.56	37.75 ±10.51	− 2.47~13.69	1.79	0.134
Meary’s angle (°)	11.73 ± 4.79	4.45 ± 1.82	1.29~22.44	2.89	0.034