Table 5.

Bone graft fusion and Cobb Angle fusion before and after the operation.

Subgroup analysis	Case (n)	Osteograft fusion		Fusion segment cobb angle
		Bone fusion time	Bone fusion rate	Preoperative	3 months after the surgery
Anterior group	34	6.25 ± 1.37	40 (71.43%)	1.55 ± 0.35	8.55 ± 0.56
Posterior group	22	7.65 ± 1.87	16 (28.57%)	1.65 ± 0.22	7.82 ± 0.35
t		4.655	0.215	5.262	2.455
p		0.001	0.065	0.001	0.002