Baseline patient characteristics
| Characteristic | Oral flecainide (n=40) | iv flecainide (n=39) | p Value |
| Mean (SD) age (years) | 64.1 (14.5) | 64.5 (15.3) | 0.89 |
| Sex (M/F) | 22/18 | 24/15 | 0.55 |
| Duration of AF (h) (mean (range)) | 10.8 (1–40) | 11.0 (1–36) | 0.91 |
| History of ischaemic heart disease | 8/40 | 11/39 | 0.40 |
| History of hypertension | 14/40 | 10/39 | 0.38 |
AF, atrial fibrillation; iv, intravenous.