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Table 2 INR observed target values

From: There are considerable drawbacks to oral anticoagulant for monitoring patients at home which should lead family physicians to discuss alternative or enhanced solutions: a cross-sectional study

Total INRs recorded

INR rate 2-3

INR rate <2

INR rate >3

INR 3–4.5

INR rate outside therapeutic range

1224

58.5%

15.7%

25.8%

9%

32.5% (estimated)

  1. More than one third of values were outside the therapeutic range.