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.
Normal INR Levels. The normal range for a healthy person not using warfarin is 0.8â1.2. However, this is a dangerously low INR for a person using Warfarin.