Table 3.

Radiographic Parameters

	Polymethylmethacrylate	Autogenous bone	P
Pre-operation Cobb angle(°)	23.8 ± 9.8	28.7 ± 10.6	0.200
Post-operation Cobb angle(°)	15.2 ± 6.2	17.9 ± 6.6	0.256
Cobb angle correction rate(%)	36.4 ± 13.5	35.7 ± 12.7	0.881
Follow up Cobb angle(°)	20.2 ± 7.2	17.0 ± 6.9	0.224
Follow up Cobb loss	1.8 ± 2.7	2.3 ± 2.7	0.605
Pre-operation sagittal lumbar curve(°)	34.4 ± 9.6	36.2 ± 12.5	0.659
Post -operation sagittal lumbar curve(°)	35.6 ± 3.9	34.6 ± 5.5	0.580
Follow up sagittal lumbar curve(°)	35.1 ± 5.2	37.6 ± 3.5	0.134

Follow up Cobb loss = Follow up Cobb angle - Post operation Cobb angle