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Table 2 Modified Macnab Criteria

From: Percutaneous full-endoscopic anterior transcorporeal cervical discectomy and channel repair: a technique note report

Grading Definition
Excellent Complete resolution of symptoms, recovery of original work activity level and quality of life
good Mild symptoms, slight activity limitation that do not influence work and quality of life
Fine Symptoms relieved, activity limitations that influence work and quality of life
bad No difference in or worsening of symptoms after versus before treatment