14 Very Effective Communication Skills. Statistics point to the fact that approximately 85% percent of our success in life is directly attributable to our communication skills.
Usually while on Coumadin therapy, the INR should be between 2 and 3. Occasionally the range should be 2.5 to 3.5. Many things can affect the INR; antibiotics for one, and an increase or decrease in consumption of green, leafy vegetables.
Prothrombin time chart. See the list below: The reference range for prothrombin time is 9.5-13.5 seconds. The reference range for international normalized ratio (INR) is less than 1.3. However, the normal range is highly variable and dependent on the laboratory performing the test.