Table 2. Characteristics of patients with atrial fibrillation and flutter who were identified in the Regional Administrative Database of Umbria.
| Atrial fibrillation and flutter | |
| Incident cases (N medical charts reviewed) | 127 |
| ICD-9 code, N (%) | |
| 427.31 Atrial fibrillation | 107 (84) |
| 427.32 Atrial flutter | 20 (16) |
| Sex | |
| Male | 67 (53) |
| Female | 60 (47) |
| Age, N (%) | |
| < 60 | 14 (11) |
| 60–79 | 66 (52) |
| ≥ 80 | 47 (37) |
| Instrumental examinations, N (%) | |
| Electrocardiography (ECG) | 126 (99) |
| Echocardiography | 92 (72) |
| Procedures, N (%) | |
| Electrical cardioversion | 37 (29) |