Warferin is 1.9 what does it signify?

Warferin is 1.9 signifies the international normalized ratio (INR) value. INR measures the clotting ability of a person's blood and is used to monitor the dose of warfarin, an anticoagulant medication (blood thinner).

INR 1.9 indicate that a person's blood is taking longer to clot than normal, which is the intended effect of warfarin therapy. The target INR range will vary depending on the individual and their medical condition.