A New Grading of Epidural Hematoma or Scar Formation after Posterior Cervical Spine Surgery: Evaluation of Perioperative Related Factors, Distributions, and Clinical Outcomes after Surgery.

Spine Surg Relat Res · 2019 · PMC6834457 · PMID 31768447

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a statistical trendno p-value reported

Postoperative clinical outcomes Among the patients treated with LP, although the difference between the recovery rates of the JOA score was not statistically significant ( P = 0.1581), there was a statistical trend for higher rates in the Mild group (47.5%) as compared with the Severe group (34.7%) at 1 year after surgery ( Fig. 6 ).

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