Table 2.

Comparative analysis of variables at different clinical stages and time points

Variables	Time point	Stage ⅠPVP Group (Mean ± SD)	StageⅠ BCPA-PVP Group (Mean ± SD)	p-value	Stage ⅡPVP Group (Mean ± SD)	StageⅡ BCPA-PVP Group (Mean ± SD)	p-value
VAS	Pre	5.94 ± 0.90	6.05 ± 0.89	0.701	6.30 ± 0.92	6.19 ± 0.81	0.682
	Post	1.17 ± 0.38	1.10 ± 0.45	0.593	0.95 ± 0.39	1.00 ± 0.45	0.715
	FFU	1.06 ± 0.66	0.90 ± 0.64	0.433	2.60 ± 1.85	1.14 ± 1.01	0.002
ODI (%)	Pre	66.33 ± 9.12	66.70 ± 9.45	0.901	65.20 ± 9.84	66.57 ± 8.92	0.632
	Post	22.00 ± 3.74	20.10 ± 4.12	0.143	18.70 ± 3.45	18.86 ± 3.12	0.871
	FFU	15. 33 ± 3.24	15.60 ± 4.76	0.841	30.40 ± 12.67	19.52 ± 9.84	0.003
AVH (mm)	Pre	26.28 ± 2.38	26.25 ± 2.52	0.972	20.25 ± 2.31	20.62 ± 2.18	0.602
	Post	27.89 ± 2.34	28.05 ± 2.41	0.840	22.85 ± 1.97	23.10 ± 1.89	0.681
	FFU	26.94 ± 2.29	27.10 ± 2.45	0.832	20.15 ± 2.64	21.86 ± 1.72	0.017
Cobb Angle (°)	Pre	6.06 ± 1.16	5.95 ± 1.457	0.798	16.05 ± 4.72	15.71 ± 3.81	0.791
	Post	5.06 ± 1.16	4.90 ± 1.41	0.697	13.55 ± 4.03	13.48 ± 3.12	0.949
	FFU	5.22 ± 1.17	5.11 ± 1.52	0.780	17.20 ± 5.12*	15.57 ± 3.37*	0.214

VAS Visual Analogue Scale, ODI Oswestry Disability Index, AVH Anterior vertebral height, BCPA Bone bement pedicle-anchored, PVP Percutaneous vertebroplasty