| Cardiology Research, ISSN 1923-2829 print, 1923-2837 online, Open Access |
| Article copyright, the authors; Journal compilation copyright, Cardiol Res and Elmer Press Inc |
| Journal website https://www.cardiologyres.org |
Original Article
Volume 2, Number 2, April 2011, pages 66-71
Upper Digestive Bleeding in Atrial Fibrillation: Evaluation of Gastroscopy Prior to Oral Anticoagulant Therapy (GOAT), Prospective, Randomized, Double Blind Study on a Community Population
Figure

Table
| Group A | Group B | P | |
|---|---|---|---|
| *NS = not significant | |||
| Patient number | 114 | 101 | |
| Age (mean (range)) | 74 (45 - 86) | 77 (42 - 84) | NS* |
| Males | 68 | 71 | NS |
| INR > 4.5 | 26 | 20 | NS |
| NSAIDS or Aspirin or corticosteroids | 14 | 11 | NS |
| Platelet antiaggregants | 14 | 7 | NS |
| Antihypertensive drugs | 41 | 50 | NS |
| Diabetes | 7 | 7 | NS |
| History of cancer | 2 | 1 | |
| Previous digestive diseases or symptoms | 6 | 7 | NS |
| Alcohol or smoking | 14 | 16 | NS |
| Co-morbidities (Renal, COPD, Heart failure, or Coronaropathy) | 51 | 45 | NS |
| β-blockers | 79 | 81 | NS |
| Propafenone/flecainide | 30 | 45 | < 0.001 |
| Amiodarone | 41 | 51 | < 0.05 |
| Early hemorrhages | 2 (1.7%) | 12 (12%) | < 0.001 |
| Late hemorrhages | 4 (3.5%) | 6 (6%) | NS |
| Lost at follow up | 10 | 12 | NS |