Notice that in this case (as in many cases), population does not refer to people, but to bags of potato chips. To be concise, researchers often use symbols in place of words. Greek letters are usually used when referring to populations (the entire group being studied, from which a sample or samples will be drawn).
INR (international normalized ratio) tests are important in helping your healthcare provider determine your response to COUMADIN. INR tests check to see how fast your blood clots. The INR test is primarily used to monitor warfarin therapy, where the aim is to maintain an INR in target range. Your healthcare provider will decide what INR numbers are best for you and may adjust your dose of COUMADIN to keep your INR in your target range.
INR (International normalized ratio). The international normalized ratio (INR), prothrombin ratio (PR) and prothrombin time (PT) are measures of the extrinsic pathway of coagulation. They are used in the measure of warfarin dosage, liver damage and vitamin K status.he INR is the ratio of a patient prothrombin time to a normal (control) sample, raised to the power of the ISI.