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Table 3 The changes in the VAS during the follow-up period

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

Pain scale Short segment Long segment t test
Mean +SD Mean +SD t P value
Pre-op VAS 5.59 2.09 5.40 2.01 .225 .823
6 months post-op VAS 2.93 1.47 3.40 1.70 − 1.384 .173
1 year post-op VAS 1.39 .58 1.47 .58 − .476 .636