TABLE 4.

Comparison of postoperative ankle proprioception between the two groups at 1 and 2 years after surgery

Active joint position sense (degree)	Horizontal mattress suture group (n = 31)	Free‐edge suture group (n = 37)	P * value	Power ‡
1 year
Inversion 10°	7.57 ± 1.74	7.62 ± 1.90	0.910 †	0.051
Inversion 20°	17.24 ± 2.81	17.43 ± 3.12	0.793 †	0.058
Plantar flexion 10°	7.29 ± 1.83	7.48 ± 2.11	0.692 †	0.068
Plantar flexion 20°	17.89 ± 2.55	18.16 ± 2.76	0.677 †	0.070
2 years
Inversion 10°	8.11 ± 1.36	8.08 ± 1.17	0.924 †	0.051
Inversion 20°	18.33 ± 1.96	18.45 ± 1.88	0.799 †	0.057
Plantar flexion 10°	7.72 ± 1.50	7.77 ± 1.64	0.896 †	0.052
Plantar flexion 20°	18.87 ± 2.03	19.08 ± 1.82	0.658 †	0.072

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

^† t test

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