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.
The average person in the United States takes in 60 to 80 micrograms (mcg) of vitamin K per day. This is a very tiny amount (60 to 80 millionths of a gram). Extremely small changes in vitamin K intake can have a major effect on the PT/INR test in some patients on Coumadin.