Table 2.
Clinical factors and life stressors
| Variables | Frequency | Proportion (%) |
|---|---|---|
| Underlying CVS diagnosis | ||
| Rheumatic heart disease | 98 | 50.8 |
| Atrial fibrillation | 53 | 27.5 |
| Thrombo-embolism | 30 | 15.6 |
| Others | 12 | 6.1 |
| Length of time on Warfarin | ||
| ≤ 6 | 39 | 20.9 |
| > 6–24 | 57 | 30.5 |
| 25–60 | 56 | 30.0 |
| > 60 | 35 | 18.7 |
| Other comorbidities | ||
| Present | 36 | 18.3 |
| None | 161 | 81.7 |
| History of cardiac surgery | ||
| Yes | 58 | 30.0 |
| No | 138 | 70.0 |
| Length from time of surgery in months (N = 58) | ||
| < 1 year | 12 | 21.1 |
| 1 to < 3 years | 22 | 38.6 |
| 3 to 5 years | 10 | 17.5 |
| > 5 years | 13 | 22.8 |
| Other chronic medications besides Warfarin* | ||
| Loop diuretic | 108 | 63.5 |
| Penicillin | 93 | 54.7 |
| Beta blocker | 86 | 50.8 |
| Cardiac glycoside | 64 | 37.7 |
| Others | 15 | 64.5 |
| Life stressors* | ||
| Major life events | 47 | 23.9 |
| Trauma | 17 | 8.6 |
| Economic stressors | 38 | 19.3 |
| Social stressors | 36 | 18.3 |
| Occupational stressors | 98 | 49.8 |
One participant could have more than one medication or stressor*