TABLE 3.

Comparison of surgical characteristics and postoperative clinical outcomes between the two groups

Variable	Horizontal mattress suture group (n = 31)	Free‐edge suture group (n = 37)	P value *	Power ‡
OT, min	48.18 ± 10.37	45.86 ± 8.44	0.322 †	0.166
LHS, day	3.85 ± 1.62	3.77 ± 1.19	0.820 †	0.056
VAS
1 year	1.42 ± 0.76	1.57 ± 0.93	0.467 †	0.111
2 years	1.03 ± 1.10	1.09 ± 0.88	0.807 †	0.057
AOFAS
1 year	90.36 ± 8.52	91.24 ± 9.21	0.684 †	0.069
2 years	93.17 ± 5.83	93.85 ± 6.46	0.650 †	0.073
KAFS
1 year	82.51 ± 7.02	87.16 ± 6.14	0.022 †	0.809
2 years	86.26 ± 6.18	90.54 ± 5.23	0.003 †	0.850
ATT, mm
1 year	3.81 ± 1.57	3.93 ± 1.63	0.759 †	0.061
2 years	3.34 ± 1.22	3.40 ± 1.45	0.854 †	0.054

AOFAS, American Orthopaedic Foot and Ankle Society; ATT, Anterior Talar Translation; KAFS, Karlsson Ankle Functional Score; LHS, Length of hospital stay; OT, Operative time; VAS, Visual analogue scale.

^*A value P < 0.05 was set as statistically significant

^† t test

^‡Power is computed to reject the null hypothesis of equal means.