Table 3 Percentage range of warfarin dose adjusted and its effect on the INR values (n = 41)
From: Drug-related problems and potential contributing factors in the management of deep vein thrombosis
INR values for which warfarin dose was adjusted | n (%) | % weekly dose adjusted (mean) | INR after dose adjusted | n (%) |
|---|---|---|---|---|
Less than 1.5 | 8 (19.5) | 25–50 (37.5)↑ | 1.5–1.9 | 2 (25) |
2.0–3.0 | 5 (62.5) | |||
>4.0 | 1 (12.5) | |||
1.5–1.9 | 12 (29.3) | 16–100 (58)↑ | 1.5–1.9 | 1 (8.3) |
2.0–3.0 | 7 (58.3) | |||
3.1–4.0 | 2 (16.7) | |||
>4.0 | 2 (16.7) | |||
2.0–3.0 | 4 (9.8) | 16–50 (33) (1 case = 16 %↑; 3 cases = 20-50 %↓) | < 1.5 | 1 (25) |
1.5–1.9 | 2 (50) | |||
2.0–3.0 | 1 (25) | |||
3.1–4.0 | 8 (19.5) | 11–33 (22)↓ | < 1.5 | 2 (25) |
1.5–1.9 | 2 (25) | |||
2.0–3.0 | 4 (50) | |||
4.1–5.0 | 4 (9.8) | 16–66 (41)↓ | < 1.5 | 1 (25) |
1.5–1.9 | 1 (25) | |||
2.0–3.0 | 2 (50) | |||
5.1–9.0 | 5 (12.2) | 20–66 (43)↓ | < 1.5 | 1 (20) |
1.5–1.9 | 3 (60) | |||
2.0–3.0 | 1 (20) |