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Table 7 Preoperative and 18 months postoperative VAS and ODI

From: Decompressive laminectomy with instrumented posterolateral fusion for degenerative lumbar disease in elderly, is it safe and beneficial?

Evaluation scale Preoperative 18 months postop. Wilcoxon test P-value
VAS (Mean±SD) 7.8±0.87 1.8±1.04 -5.159 < 0.00001*
ODI (Mean±SD) 58.1±11 17.5±8.3 -5.159 < 0.00001*
  1. VAS Visual analog scale, ODI Oswestry disability index. *P value