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Table 2 Frequency of INR testing

From: Comparison of pharmacist managed anticoagulation with usual medical care in a family medicine clinic

Variable Pharmacist
Managed (PC)
(n = 112)
Physician
Managed (UC)
(n = 81)
Total number of INR tests 2328 1452
Total patient years 81 59
Number of INR tests per patient year 29 25
INR tests >6weeks apart, n 103 104
Number of INR tests >6 weeks apart per patient year 1.3 1.8