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Table 2 Comparison between short-segment fixation and long-segment fixation as regards the angle of correction

From: Short-segment posterior fixation with index level screws versus long-segment posterior fixation for thoracolumbar spine fracture: angle of correction and pain

Angle correction Short segment Long segment t test
Mean ±SD Mean ±SD t P value
Angle pre-op 19.34 3.63 19.08 4.00 .609 .546
Angle post-op 6.98 2.86 6.49 2.59 .812 .421
3 months 8.11 2.09 7.81 2.27 .356 .723
6 months 8.23 2.10 8.11 2.19 − .060 .952
9 months 8.34 2.26 8.60 2.60 − 1.055 .297
1 year 8.14 1.90 8.62 2.60 − 1.573 .123