Table 2.

Comparison of different surgical methods for the height of anterior edge and the Cobb angle

Group	Number	The anterior height of injured vertebra (cm)					Cobb angle of injured vertebra (°)
		Pre-	Post-3 days	Post-6 months	Post-12 months	Post-24 months	Pre-	Post-3 days	Post-6 months	Post-12 months	Post-24 months
A	83	1.3 ± 0.4	2.8 ± 0.2①	2.7 ± 0.3②	2.6 ± 0.2②	2.5 ± 0.7②	23.1 ± 5.8	5.6 ± 2.6①	4.9 ± 2.2②	5.5 ± 2.3②	5.7 ± 2.3②
B	83	1.2 ± 0.5	2.7 ± 0.3①	2.3 ± 0.6①	1.7 ± 0.5①	1.6 ± 0.3①	24.0 ± 5.4	5.1 ± 2.0①	12.4 ± 3.2①	17.2 ± 2.5①	13.2 ± 2.3①
T	–	1.270	1.152	10.607	21.581	26.272	− 1.120	1.501	− 17.632	− 30.889	− 20.916
P	–	> 0.05	> 0.05	< 0.01	< 0.01	< 0.01	> 0.05	> 0.05	< 0.01	< 0.01	< 0.01

^①There are significant differences with the previous data, P < 0.05

^②There is no significant difference from the previous data, P > 0.05