Table 3.

Number of therapeutic International Normalized Ratio level before and after counseling

Warfarin indication	Therapeutic INR level before counselling	Therapeutic INR level after counselling	p-value
Atrial Fibrillation	64/136 (47.1)	97/136 (71.3)	< 0.0001
Deep Venous Thrombosis	24/64 (37.5)	42/64 (65.6)	< 0.0001
Stroke	4/13 (30.8)	9/13 (69.2)	< 0.0001
Pulmonary Embolism	7/26 (26.9)	22/26 (84.6)	< 0.0001
Valve disease/replacement	7/42 (16.7)	38/42 (90.5)	< 0.0001
Systolic Left Ventricular Dysfunction	0/4 (0)	4/4 (100)	< 0.0001
Total	106/285 (37.2)	212/285 (74.4)	< 0.0001

For each warfarin indication, the number of patients who have reached the target INR level is illustrated above

Data are shown as number of patients over total with percentages in brackets