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. 2011 Aug 17;12:88. doi: 10.1186/1471-2296-12-88

Table 2.

Frequency of INR testing

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