Table 4. The risk of cardiovascular complications in rheumatoid arthritis patients with versus without CKD.

Variable	RA with CKD	RA without CKD	Crude HR	Adjusted HR*
Ischemic heart disease	590	2119	2.95 (2.63–3.31) ‡	1.57 (1.38–1.79) ‡
Stroke	351	1274	2.49 (2.18–2.85) ‡	1.24 (1.06–1.43) †

^† p <0.05 for comparison between rheumatoid arthritis patients with versus without.

^‡ p <0.001 for comparison between rheumatoid arthritis patients with versus without.

*Adjusted for gender, age group, diabetes, hypertension, and hyperlipidemia.

CI, confidence interval; CKD, chronic kidney disease; HR, hazard ratio; RA, Rheumatoid arthritis.