Table 3.

Comparison different time (Group1) (n = 4).

	AOFAS	VAS
Preoperative	64.5 ± 1.73	4.5 ± 1.00
4 months postoperatively	83. 5 ± 1.00	2.0 ± 0.82
12 months postoperatively	82.3 ± 0.96	1.8 ± 0.50
F	282.59	14.478
p	< 0.05	< 0.05
pa	< 0.05	< 0.05
pb	< 0.05	< 0.05
pc	0.429	0.669

p^a compare the results between preoperative with 4 months postoperatively .

p^b compare the results between preoperative with 12 months postoperatively.

p^c compare the results between 4 months with 12 months postoperatively.