Table 3 Knowledge specific to Warfarin therapy (n = 147)
Frequency n (%) | |
|---|---|
What is your target INR range | |
< 1.0 | 17 (11.6) |
1.0 to 1.9 | 5 (3.4) |
2.0–3.0 | 9 (6.1) |
Don’t know | 116 (78.9) |
Last INR reading | |
< 1.0 | 1 (0.7) |
1.0–2.0 | 49 (33.3) |
2.1–3.0 | 14 (9.5) |
> 3.0 | 5 (3.4) |
Don’t know | 78 (53.1) |
Are regular INR tests necessary to know that the medicine is working | |
Yes | 34 (23.1) |
No | 8 (5.4) |
Not sure | 105 (71.4) |
Is an INR above target good for health | |
Yes | 8 (5.4) |
No | 20 (13.6) |
Not sure | 119 (81.0) |
Is an INR below target bad for health | |
Yes | 16 (10.9) |
No | 10 (6.8) |
Not sure | 121 (82.3) |
Is it possible what you eat to affect your Warfarin therapy | |
Yes | 24 (16.3) |
No | 25 (17.0) |
Not sure | 98 (66.7) |
Vitamins that can affect your OAC therapy | |
Vitamin A | 1 (0.7) |
Vitamin B | 5 (3.4) |
Vitamin K | 6 (4.1) |
Don’t know | 131 (89.1) |
Others | 4 (2.7) |