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Table 3 Subgroups of co-existing MRI lesions and knee pain at rest

From: Co-existing patterns of MRI lesions were differentially associated with knee pain at rest and on joint loading: a within-person knee-matched case-controls study

  Knee pain at rest
Pain in bed at night Pain with sitting/lying down
Subgroups Control knee Case knee OR (95% CI) Control knee Case knee OR (95% CI)
I. Minimal lesions 13 7 1.0 (Reference) 16 8 1.0 (Reference)
II. Mild lesions 14 8 1.6 (0.3, 7.3) 14 4 1.1 (0.2, 5.6)
III. Moderate morphological lesions 29 22 2.2 (0.5, 9.5) 31 20 3.1 (0.7, 14.4)
IV. Moderate multiple reactive lesions 22 28 6.2 (1.3, 29.6) 20 31 14.4 (2.5, 81.7)
V. Severe lesions 14 27 11.2 (2.1, 59.2) 13 31 28.9 (4.5, 184.0)
  P for test of homogeneity = 0.056 P for test of homogeneity < 0.001
  1. OR Odds ratio, CI Confidence interval
  2. Figures are numbers unless stated otherwise