Table 4.
Patients with chronic atrial fibrillation or prior stroke who are treated according to the guidelines.
| N | Percentage (95% CI) | Differencea (95% CI) | P value | ||
|---|---|---|---|---|---|
| Chronic atrial fibrillation | |||||
| Treated withwarfarin | 2006 | 34/77 | 44.2 (32.8, 55.9) | 6.5 (−10.8, 23.8) | 0.52 |
| 2008 | 37/73 | 50.7 (38.7, 62.6) | |||
| Treated with aspirin 320 mg if not warfarin | 2006 | 5/43 | 11.6 (3.9, 25.1) | 27.3 (6.1, 48.4) | 0.010 |
| 2008 | 14/36 | 38.9 (23.1, 56.5) | |||
|
| |||||
| Stroke | |||||
| Target blood pressure level | 2006 | 31/50b | 62.0 (47.2,75.3) | ||
| 2008 | 40/59b | 67.8 (54.4,79.4) | |||
| Treated with recommended anticoagulation | 2006 | 35/48b | 72.9 (58.2,84.7) | ||
| 2008 | 45/57b | 78.9 (66.1,88.6) | |||
aDifference between 2008 and 2006.
bTwo patients had a bleeding stroke.