Table 1.

Comparison AOFAS scores (Group1 = 4; Group = 8).

AOFAS scores	Group 1	Group 2	Z	p
Preoperative	64.5 ± 1.73	63.5 ± 2.07	0.774	> 0.05
4 months postoperatively	83. 5 ± 1.00	84.1 ± 1.80	0.364	> 0.05
12 months postoperatively	82.3 ± 0.96	83.9 ± 1.24	1.058	> 0.05

The p-values were determined using Mann Whitney U test. Significance levels are one symbol: p < 0.05.

Non-significant difference between preoperative AOFAS scores in group 1 and group 2.

Non-significant difference of AOFAS scores group 1 and group 2 after 4 months.

Non-significant difference of AOFAS scores in group 1 and group 2 after 12 months.