Risks of CKD among rheumatoid arthritis patients treated with medications.

† p <0.05 for comparison between patients with rheumatoid arthritis and without rheumatoid arthritis. ‡ p <0.001 for comparison between patients with rheumatoid arthritis and without rheumatoid arthritis. * Rheumatoid arthritis patients with one or more drug prescription during 5-year follow-up ** Adjusted for gender, age group, comorbidities and every other listed drug for which crude hazard ratio was significant (p <0.05). CI, confidence interval; CKD, chronic kidney disease; N/A, not applicable; NSAID, non-steroidal anti-inflammatory drug; OR, odds ratio; RA, rheumatoid arthritis; ND, not done. a Prescribed <90 days. b Prescribed ≥90 days. Risks of CKD among rheumatoid arthritis patients treated with medications.