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Table 8 Summary of prognostic factors for worsening of limitations in activities in knee OA; present results*

From: Vitality and the course of limitations in activities in osteoarthritis of the hip or knee

Factors associated with worsening of self-reported limitations in activities Factors associated with worsening of
performance-based limitations in activities
• Reduced ROM hip external rotation at one-year of follow-up • Decreased muscle strength hip abduction
• Increased pain at one-year follow- up • At one-year follow-up
• Higher morbidity count • Higher morbidity count
• Lower vitality • Lower vitality
  1. *In this box, all prognostic factors are included that were found to be significant in the multivariate regression analyses.
  2. OA: osteoarthritis; ROM: active assisted range of motion.