Table 1.
Baseline characteristics for patients with chronic kidney disease and atrial fibrillation treated with and without warfarin
| Variable | Warfarin (N = 232) | No warfarin (N = 167) | Pvalue |
|---|---|---|---|
| Women | 67 (29%) | 61 (37%) | Not significant |
| Men | 165 (71%) | 106 (63%) | Not significant |
| Age (years) | 73 ± 12 | 77 ± 11 | <0.001 |
| GFR 30–59 mL/min/1.73 m2 | 115 (50%) | 85 (51%) | Not significant |
| GFR 15–29 mL/min/1.73 m2 | 39 (17%) | 28 (17%) | Not significant |
| GFR <15 mL/min/1.73 m2 | 78 (34%) | 54 (32%) | Not significant |
| Hemodialysis | 51 (22%) | 42 (25%) | Not significant |
| Renal transplant | 15 (6%) | 5 (3%) | Not significant |
| Aspirin | 92 (40%) | 73 (44%) | Not significant |
| Prior stroke or TIA | 19 (8%) | 13 (8%) | Not significant |
| Coronary artery disease | 145 (63%) | 103 (62%) | Not significant |
| Valvular heart disease | 46 (20%) | 23 (14%) | Not significant |
| Peripheral arterial disease | 15 (6%) | 19 (11%) | Not significant |
| Smoking | 64 (28%) | 42 (25%) | Not significant |
| Hypertension | 148 (64%) | 114 (68%) | Not significant |
| Diabetes mellitus | 108 (47%) | 66 (40%) | Not significant |
| Dyslipidemia | 156 (67%) | 109 (65%) | Not significant |
| Follow-up (months) | 31 ± 34 | 23 ± 30 | <0.01 |
Abbreviations: GFR, estimated glomerular filtration rate; TIA, transient ischemic attack.