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Table 2 Univariate and multivariate associations with the primary analysis outcome

From: Development of a clinical prediction algorithm for knee osteoarthritis structural progression in a cohort study: value of adding measurement of subchondral bone density

Characteristic Univariate odds ratio (95% CI) Multivariable odds ratio (95% CI)
Female 1.18 (0.66, 2.11) 1.06 (0.56, 2.01)
Age, yearsa 1.58 (1.18, 2.16) 1.45 (1.02, 2.08)
Body mass index kg/m2 a 1.20 (0.90, 1.59) 1.32 (0.95, 1.84)
Knee paina 1.28 (0.96, 1.70) 1.06 (0.77, 1.47)
Recent injury 2.14 (0.32, 8.60) 2.58 (0.39, 16.92)
Hand OA 3.12 (1.74, 5.72) 2.68 (1.39, 5.19)
M:L BMDa 1.94 (1.47, 2.58) 1.76 (1.32, 2.35)
Radiographic knee OA 3.33 (1.50, 8.87) 2.20 (0.88, 5.50)
  1. OA osteoarthritis, M:L BMD ratio medial-to-lateral tibial plateau bone mineral density ratio
  2. aOdds ratio estimates per 1 standard deviation change in predictor