Association between Autoimmune Rheumatic Diseases and the Risk of Dementia

Table 1

Comparison of demographic characteristics and comorbidities of ARD and non-ARD patients.

Variable	ARD; 𝑁=1221		Comparison; 𝑁=6105		𝑃
	𝑛	%	𝑛	%
Sex					1
Male	251	20.6	1255	20.6
Female	970	79.4	4850	79.4
Age, year					1
<30	228	18.7	1140	18.7
30–49	433	35.5	2165	35.5
≥50	560	45.9	2800	45.9
Geographic region					0.003
Northern	507	41.5	2900	47.5
Central	299	24.5	1200	19.7
Southern	336	27.5	1713	28.1
Eastern	79	6.47	292	4.78
Comorbidities
Diabetes	116	9.50	538	8.81	0.294
Hyperlipidemia	187	15.3	896	14.7	0.655
Hypertension	209	17.1	1054	17.3	0.814
Stroke	28	2.29	119	1.95	0.623
Heart failure	109	8.93	332	5.44	<0.001
Atrial fibrillation	11	0.90	38	0.62	0.028