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Table 7 Correlation between Kellgren-Lawrence (KL) classification of knee OA and outcome in both groups

From: Does arthroscopic patellar denervation with high tibial osteotomy improve anterior knee pain?

Item (Spearman’s rho) X-ray K.L classification
r- value p- value
KOOS score for both groups −0.297 0.063
Kujala score for both groups −.0291 0.069
  1. The correlation between x-ray classification and outcome (post-op scores for Kujala and KOOS) was fair negative association but borderline statistically significant
  2. Correlation is significant at the 0.05 level (2-tailed)