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Table 1 Arthritis grade for intervertebral disc degeneration (UCLA classification)

From: Posterior-only vs. combined posterior-anterior approaches in treating lumbar and lumbosacral spinal tuberculosis: a retrospective study with minimum 7-year follow-up

GradeDisc-space narrowingOsteophytesEnd plate sclerosis
I
II+
III±+
IV±±+
  1. The grade is based on the most severe radiographic finding evident on plain radiographs. Patients were rated based on the worst category satisfied.
  2. + present, absent, ± either present or absent