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Table 4 Clinical and radiological evaluation data determined at time of discharge and at end of follow-up

From: Posterior short-segment fixation with implanting pedicle screw in the fractured level as a feasible method for treatment of thoracolumbar fracture

Data Preoperative Time of discharge At end of FU
Clinical findings
 Low back pain score Mean score (±SD) 25.7±4 35.4±3.6a 49.4±4.8ab
Frequency of improvement <50%   20 (55.6%) 10 (27.8%)
>50%   18 (44.4%) 26 (72.2%)b
Patients' status Excellent 0 4(11.1%) 6 (16.7%)
Good 4 (22.2%) 12 (33.3%)a 20 (55.6%)a
Fair 9 (50%) 16 (44.5%) 8 (22.2%)
Poor 5 (27.8%) 4 (11.1%) 2 (5.5%)
 ASIA grades A 0 0 0
B 2 (5.5%) 0 0
C 2 (5.5%) 2 (5.5%) 0
D 4 (11.1%) 4 (11.1%) 4 (11.1%)
E 28 (77.9%) 30 (83.4%) 32 (88.9%)
Radiological findings
 Sagittal index (SI) 0.7±0.13 0.8±0.11a 0.78±0.09a
 Extent of anterior body compression 0.42±0.2 0.24±0.14a 0.23±0.19a
 Cobb angle (°) 33±5 12.8±3.3a 17.1±4.3ab
 Ratio of canal compromise 12.2±8.3 4.4±3.9a 2.8±3.6a
  1. Data are presented as numbers & mean±SD; percentages are in parenthesis; FU: Follow-up; a significance of difference versus preoperative data; b significance of difference versus at time of discharge data; ASIA American Spinal Injury Association