Percutaneous Injection of Strontium Containing Hydroxyapatite versus Polymethacrylate Plus Short-Segment Pedicle Screw Fixation for Traumatic A2- and A3/AO-Type Fractures in Adults
Table 1
Comparative presentation of radiological changes observed in Group A and Group B preoperatively till the last follow-up.
Parameters
PREOP
GrA/GrB
Postop
GrA/GrB
3 months
GrA/GrB
6 months
GrA/GrB
Last follow-up
GrA/GrB
GrA
GrB
value
GrA
GrB
value
GrA
GrB
value
GrA
GrB
value
GrA
GrB
value
AVBHr
0.59 ± 0.11
0.63 ± 0.14
0.48
0.79 ± 0.12
0.87 ± 0.15
0.22
0.75 ± 0.12
0.86 ± 0.17
0.1
0.7 ± 0.15
0.9 ± 0.20
0.089
0.71 ± 0.16
0.91 ± 0.19
0.09
MVBHr
0.53 ± 0.12
0.68 ± 0.16
0.054
0.66 ± 0.08
0.86 ± 0.13
0.06
0.73 ± 0.15
0.8 ± 0.20
0.24
0.63 ± 0.2
0.8 ± 0.12
0.21
0.6 ± 0.18
0.82 ± 0.13
0.23
PVBHr
0.95 ± 0.15
0.97 ± 0.18
0.77
0.97 ± 0.07
1 ± 0.09
0.069
1 ± 0.12
1 ± 0.11
0.13
0.98 ± 0.13
1 ± 0.18
0.4
1 ± 12
1.1 ± 0.17
0.45
SKA
14.7 ± 8.7
13.9 ± 8
0.81
8.6 ± 7
9 ± 4
0.88
13 ± 8
10 ± 6
0.40
10 ± 6
12 ± 8
0.65
12 ± 5
14 ± 9.8
0.66
SCE (%)
22 ± 17
26 ± 19
0.46
15 ± 13
10 ± 15
0.49
SCE values on CT scan 12 months following surgery. GrA: Group A; GrB: Group B; AVBHr: anterior vertebral body height ratio; MVBHr: middle vertebral body height ratio; PVBHr: posterior vertebral body height ratio; SCE: spinal canal encroachment. SKA in Cobb degrees.
