|  | Usual monitoring | Self- management | p-value | ||
---|---|---|---|---|---|---|
Patients, n | Â | 333 | Â | 333 | Â | Â |
Sex, n (%) | Male | 160 | (48.0) | 218 | (65.5) | p < 0.0001 |
 | Female | 173 | (52.0) | 115 | (34.5) |  |
Age, mean (SD) | Male | 75.7 | (9.2) | 69.5 | (11.9) | p < 0.0001 |
 | Female | 77.7 | (8.5) | 73.5 | (13.8) |  |
Reason for OAT, n (%) | Heart arrhythmia due to atrial fibrillation | 242 | (72.7) | 221 | (66.4) | 0.051 |
 | Aortic prosthesis | 24 | (7.2) | 43 | (12.9) |  |
 | Deep vein thrombosis | 15 | (4.5) | 23 | (6.9) |  |
 | Mitral valve prosthesis | 17 | (5.1) | 17 | (5.1) |  |
 | Pulmonary thromboembolism | 21 | (6.3) | 10 | (3.0) |  |
 | Cerebrovascular accident | 7 | (2.1) | 5 | (1.5) |  |
 | Deficit proteins | 0 | (0.0) | 4 | (1.2) |  |
 | Others | 3 | (0.9) | 4 | (1.2) |  |
 | Valvular heart disease | 3 | (0.9) | 4 | (1.2) |  |
 | Ischemic heart disease | 1 | (0.3) | 2 | (0.6) |  |
INR ranges n (%) | 1.5–2.5 | 0 | (0.0) | 1 | (0.3) | 0.029 |
 | 2.0–3.0 | 287 | (86.2) | 264 | (79.3) |  |
 | 2.5–3.5 | 46 | (13.8) | 68 | (20.4) |  |
Length of treatment, | 1–3 | 96 | (29.0) | 85 | (25.7) | 0.77 |
years (%) | 4–7 | 105 | (31.7) | 106 | (32.0) |  |
 | 8–10 | 52 | (15.7) | 54 | (16.3) |  |
 | >10 | 78 | (23.6) | 86 | (26.0) |  |
Risk factors, | Arterial hypertension | 217 | (37.8) | 196 | (37.9) | 0.132 |
n (%) | Diabetes mellitus | 85 | (14.8) | 69 | (14.4) | Â |
 | Hyperlipaemia | 169 | (29.5) | 180 | (34.1) |  |
 | Cancer | 50 | (9.2) | 35 | (6.8) |  |
 | Liver disease | 6 | (1.3) | 14 | (1.5) |  |
 | Kidney disease | 40 | (7.4) | 32 | (5.3) |  |
Polypharmacy, n (%) | 1–3 drugs | 70 | (21.3) | 102 | (39.5) | p < 0.0001 |
 | 4–7 drugs | 139 | (42.6) | 156 | (37.2) |  |
 | 8–12 drugs | 108 | (30.9) | 59 | (19.8) |  |
 | 13 or more drugs | 16 | (5.1) | 16 | (3.5) |  |
Other, | Independent | 226 | (67.9) | 219 | (65.8) | 0.621 |
n (%) | Caregiver | 107 | (32.1) | 114 | (34.2) | Â |