Egyptian Journal of Neurosurgery

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
Pain scale	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

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