Optimizing percutaneous vertebroplasty: extra-facet puncture for osteoporotic vertebral compression fractures

Table 3 Comparisons of postoperative parameters between traditional puncture PVP and extra-facet puncture PVP (x ± s, n = 242)

Parameter	t-PVP (n = 123)	ef-PVP (n = 119)	p
Bone cement volume (mL)	6.08 ± 1.44	5.95 ± 1.51	0.46^U
Bone cement distribution
Symmetrical	65 (52.85%)	90 (75.63%)	< 0.001^C
Eccentric	42 (34.15%)	25 (21.01%)
Unilateral	16 (13.01%)	4 (3.36%)
Bone cement leakage	87 (70.73%)	84 (70.59%)	> 0.99^F
Segmental kyphotic angle	9.85 ± 4.21	10.31 ± 4.93	0.43^T
Vertebral compression ratio	25.63 ± 11.57	27.31 ± 11.81	0.32^U
FJV	26 (21.14%)	0 (0%)	< 0.001^F
T9	2 (66.67%)	0 (0%)
T10	2 (28.57%)	0 (0%)
T11	4 (50%)	0 (0%)
T12	9 (30.0%)	0 (0%)
L1	4 (10.81%)	0 (0%)
L2	3 (12.5%)	0 (0%)
L3	1 (14.28%)	0 (0%)
L4	1 (16.67%)	0 (0%)
L5	0 (0%)	0 (0%)

FJV Facet joint violation
The symbol ‘U’ indicates the data was analyzed by the unpaired Mann–Whitney U test; The symbol ‘T’ indicates the data was analyzed by the unpaired t test; The symbol ‘F’ indicates the data was analyzed by the Fisher’s exact test; The symbol ‘C’ indicates the data was analyzed by the Chi-square test
t-PVP Traditional puncture percutaneous vertebroplasty, ef-PVP Extra-facet puncture percutaneous vertebroplasty

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