CRP and gastroesophageal reflux disease: The corresponding point estimates were in line with those from the main analysis; the main difference is that the OR for the olive oil group in the DAS28-CRP became significant (OR: 0.44, 95% CI: 0.20–0.95) for subjects reporting no gastro-esophageal reflux (vs. OR: 0.60, 95% CI: 0.31–1.17 in the complete case analysis).