Table 1

Variables	UAT¹ Approach		²PPAC Approach
Age (in years)	Frequency	Percentage	Frequency	Percentage
10-19	4	5.3	8	10.7
20-29	28	37.3	24	32.0
30-39	24	32.0	17	22.7
40-49	10	13.3	16	21.3
50-59	6	8.0	8	10.7
60-69	3	4.0	1	1.3
70-79	0	0	1	1.3
Gender of patients
Male	29	38.7	26	34.7
Female	46	61.3	49	65.3
¹Usual Anticoagulation Therapy, ²Physician-Pharmacist Collaborative Anticoagulation Clinic

Table 1: Basic characteristics of study population (n=150: case=75; control=75) (Mean age in UAT=33.57 ± 11.85 years; mean age in PPAC=34.73 ± 13.23 years).