In this study, researchers surveyed whether fiber consumption was connected with knee pain development patterns. These discoveries propose that high dietary total or grain fiber, especially in the prescribed everyday fiber average consumption of 25g per day, was connected with lower risks of belonging to moderate and severe knee pain development patterns over time.

Methods

• For this study researchers conducted a prospective, multicenter cohort study.
• A sum of 4,796 men and women aged 45–79 years with or at risk of knee osteoarthritis in Osteoarthritis Initiative, participants were followed up every year for 8 years.
• Dietary fiber was assessed utilizing an approved food frequency questionnaire at baseline.
• Group–based trajectory modeling was utilized to distinguish WOMAC pain trajectories, which were examined for the relationship with dietary fiber consumption utilizing polytomous regression models.

Results

• Of the 4,470 eligible participants (8,940 knees) [mean age: 61.3 (SD: 9.1) years, 58% women], 4.9% underwent knee replacement and were censored at the time of surgery.
• 4 distinct knee pain patterns were distinguished: no pain (34.5%), mild pain (38.1%), moderate pain (21.2%) and severe pain (6.2%).
• Dietary total fiber was inversely related to membership in the moderate or severe pain group (both p for trend ≤ 0.006).
• Subjects in the highest versus lowest quartile of total fiber had lower risks of belonging to moderate pain (OR=0.76, 95% CI: 0.61, 0.93) and severe pain patterns (OR=0.56, 95% CI: 0.41, 0.78).
• Comparative outcomes were found for grain fiber with these two pain patterns.

Journal Reference