TABLE 1.
Characteristics of elderly adults with atrial fibrillation according to perceived anticoagulation burden
| Characteristics | High burdena (n = 254) | Low burden (n = 783) | P |
|---|---|---|---|
| Age | 74 (7) | 76 (7) | <.01 |
| Female | 145 (57) | 369 (47) | .01 |
| White | 210 (83) | 673 (86) | .2 |
| Married or living as married | 136 (54) | 441 (56) | .64 |
| Education | .36 | ||
| High school/some college | 147 (58) | 453 (58) | |
| College graduate | 43 (17) | 112 (14) | |
| Graduate degree or above | 60 (24) | 213 (27) | |
| Annual income (in dollars) | .06 | ||
| <10 000 | 16 (8) | 29 (4) | |
| 10 000-49 999 | 102 (50) | 301 (45) | |
| 50 000-99 999 | 54 (26) | 218 (33) | |
| ≥100 000-149 999 | 31 (15) | 119 (18) | |
| Insurance | .05 | ||
| Commercial/HMO/PPO | 39 (15) | 142 (18) | |
| Medicare | 191 (75) | 561 (72) | |
| Atrial fibrillation type | .99 | ||
| Paroxysmal | 142 (56) | 439 (56) | |
| Persistent | 70 (28) | 220 (28) | |
| Permanent | 17 (7) | 51 (7) | |
| CHADSVASC score | 4.6 (1.6) | 4.5 (1.6) | .24 |
| HAS-BLED score | 2.9 (1.0) | 2.9 (1.0) | .52 |
| Medical History | |||
| Heart failure | 114 (45) | 288 (37) | .02 |
| Myocardial infarction | 42 (17) | 165 (21) | .11 |
| Hypertension | 233 (92) | 708 (90) | .53 |
| Diabetes | 73 (29) | 228 (29) | .91 |
| Stroke | 25 (10) | 82 (10) | .77 |
| Alcohol use | 76 (30) | 248 (32) | .6 |
| Anemia | 95 (37) | 233 (30) | .02 |
| Asthma/chronic obstructive lung disease | 81 (32) | 182 (23) | .006 |
| Renal disease | 79 (31) | 225 (29) | .47 |
| Implantable cardiac device | 105 (41) | 249 (32) | .005 |
| Anticoagulant type | <.0001 | ||
| Warfarin | 180 (71) | 412 (53) | |
| Direct oral anticoagulant | 74 (29) | 371 (47) | |
Abbreviations: HMO, health maintenance organization; PPO, preferred provider organization.
a
High burden was defined as being the bottom quartile of the reversed anticlot treatment burden scale. Data were presented as n (%), mean (standard deviation).