Table 1.
Baseline Characteristics of Participants without Atrial Fibrillation† in the Atherosclerosis Risk in communities (ARIC) Study at Visit 4 (1996-98), stratified by future ischemic stroke
| No AF (n= 10,671) |
Ischemic stroke (within 10 years) (n=280) |
No stroke (within 10 years) (n=l0,391) |
|
|---|---|---|---|
| Mean age (SD), years | 62.7(5.6) | 65.1 (5.6) | 62.6(5.6) |
| Non-white race | 2435 (23%) | 99 (35%) | 2336 (22%) |
| Female | 6039 (57%) | 134 (48%) | 5905 (57%) |
| Hypertension | 4936 (46%) | 187 (67%) | 4749 (46%) |
| Hyperlipidemia | 5897 (55%) | 158(56%) | 57339 (55%) |
| Diabetes mellitus | 1699(16%) | 89 (32%) | 1610(15%) |
| Heart failure | 470 (4%) | 24(9%) | 446 (4%) |
| Peripheral arterial disease / MI | 861 (8%) | 49(18%) | 812(8%) |
| Coronary heart disease | 788 (7%) | 26(16%) | 742 (7%) |
| CHA2DS2VASc score | 1.7(1.1) | 2.3 (1.1) | 1.7(1.1) |
| Aspirin use | 5968 (56%) | 184 (66%) | 5784 (56%) |
| Statin use | 1168(11%) | 35 (13%) | 1133(11%) |
AF is for atrial fibrillation; MI, myocardial infarction
†
Also excluding anticoagulant use at baseline (n=101)
Medication history was obtained by self-report of medication intake during the prior 2 weeks before Visit 4 and by reviewing medications brought by the participants to the Visit