Second, despite our large numbers, we approached but failed to reach statistical significance for 2 of our findings: for the proportion of patients who improved 2 ASIA grades between the early and late groups ( P = .069) and the early- versus late-operated patients with ASIA A SCI ( P = .179).
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Timing of Surgery in Thoracolumbar Spine Injury: Impact on Neurological Outcome.
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0.0690
0.1760
The sentences
The ASIA A subgroup approached but did not reach statistical significance ( P = .176), In the early group, 32 patients had ≥2 grade ASIA improvement, compared with 12 and 10 patients in the intermediate and late groups, respectively.
11 A recent survey of spine surgeons showed a trend toward delaying surgical decompression in complete SCI compared with incomplete SCI. 12 , 13 Upper thoracic SCI are more often complete with less potential for meaningful neurologic improvement believed to be due to the tenuous blood supply in this region as well as the high-energy mechanism needed to create an injury due to the stability of the chest wall and spinal column in the region.