Table 2.

Analysis of outcome between two groups

	Blocky group	Spongy group	T-value	P-value
VAS
pre-op	6.29 ± 0.90	6.28 ± 1.05	0.060	0.948
24 h post-op	2.54 ± 0.91	2.12 ± 0.79	4.355	< 0.001
last follow-up	2.13 ± 0.738	1.81 ± 0.67	4.090	< 0.001
ODI
pre-op	63.63 ± 11.94	61.02 ± 11.79	1.958	0.051
24 h post-op	35.88 ± 6.72	33.84 ± 6.38	2.773	0.006
last follow-up	26.78 ± 5.53	23.2 ± 7.59	4.941	< 0.001
AVH(mm)
pre-op	14.60 ± 2.96	15.22 ± 3.16	-1.785	0.075
24 h post-op	16.72 ± 3.12	17.62 ± 3.19	-2.505	0.013
last follow-up	16.23 ± 3.13	17.14 ± 3.25	-2.545	0.011
Cobb(%)
pre-op	26.71 ± 6.91	27.08 ± 7.55	-0.465	0.642
24 h post-op	17.94 ± 3.51	15.85 ± 4.03	4.847	< 0.001
last follow-up	24.31 ± 4.92	21.04 ± 4.59	6.142	< 0.001
AVHR(%)
24 h post-op	54.95 ± 10.61	58.17 ± 10.55	-2.703	0.007
last follow-up	46.58 ± 10.96	50.55 ± 10.84	-3.237	0.001
AVH change(mm)
24 h post-op	2.13 ± 0.73	2.40 ± 0.69	-3.427	0.001
last follow-up	1.63 ± 1.078	1.93 ± 1.08	-2.466	0.014
AVHLR(%)	8.37 ± 2.97	7.62 ± 2.96	2.245	0.025
AVHRR(%)	6.99 ± 2.42	7.94 ± 2.35	-3.544	< 0.001
Local kyphotic angle change(°)	6.37 ± 4.27	5.20 ± 3.81	2.553	0.011
Adjacent vertebral fractures(%)	19.8 %	8.1 %	9.802	0.002
No (cases)	105	182
Yes (cases)	26	16
Bone cement leakage (%)	13.7 %	19.7 %	1.953	0.162
No (cases)	113	151
Yes (cases)	18	39