Table 2. Comparison of clinical and radiologic parameters between the two groups.

	TMC group	AIBG group	P
Operation duration (min)	191.8 ± 68.0	273.2 ± 82.8	<0.001
Blood loss (ml)	617.4 ± 499.6	946.0 ± 948.4	0.007
VAS (score)
Preoperative	3.6 ± 1.2	3.8 ± 1.1	0.28
Final follow-up	0.7 ± 0.9	1.4 ± 0.6	<0.001
ESR (mm/h)
Preoperative	84.4 ± 24.3	91.5 ± 29.3	0.11
Final follow-up	15.5 ± 4.3*	16.0 ± 5.6*	0.57
CRP (mg/l)
Preoperative	56.3 ± 14.4	51.7 ± 18.1	0.09
Final follow-up	11.5 ± 7.1*	10.8 ± 6.8*	0.55
Preoperative Cobb angle (°)
Thoracic	18.4 ± 13.1	14.3 ± 8.3	0.14
Lumbar	−6.2 ± 13.7	−6.6 ± 9.0	0.87
Postoperative Cobb angle (°)
Thoracic	10.1 ± 7.1*	10.6 ± 4.7*	0.77
Lumbar	−14.2 ± 12.7*	−13.7 ± 13.1*	0.80
Loss of angular correction (°)
Thoracic	1.3 ± 0.2	2.4 ± 0.5	<0.001
Lumbar	1.4 ± 0.3	2.2 ± 0.4	<0.001

Note: TMC, titanium mesh cages; AIBG, autogenous iliac bone graft; VAS, visual analogue scale; ESR, erythrocyte sedimentation rate; CRP, C-reactive protein; *Significant difference compared with pre-operation.