Table 3.

Comparison of the ratio of the anterior height of the injured vertebra

	Experimental group	Control group	t/t'	P
Ratio of the anterior height of the injured vertebra
Preoperation	50.95 ± 8.31	52.18 ± 5.92	0.713	0.687
3 days after operation	95.25 ± 4.82*	90.36 ± 2.39*	5.352	0.011*
	t = 5.891, P < 0.05	t = 5.421, P < 0.05
Last follow-up	94.93 ± 5.13*	86.94 ± 3.90*	4.472	0.021*
	t = 3.702, P < 0.05	t = 4.051, P < 0.05
	t = 0.681, P > 0.05▽	t = 3.823, P < 0.05▽

Values are mean ± SD

*Statistically significant

^▽Ratio of the anterior height of injured vertebra between 3 days after the operation and the last follow-up