An INR range of 2.0 to 3.0 is generally an effective therapeutic range for people taking warfarin for disorders such as atrial fibrillation or a blood clot in the leg or lung. In certain situations, such as having a mechanical heart valve, you might need a slightly higher INR. When the INR is higher than the recommended range, it means that your blood clots more slowly than desired, and a lower INR means your blood clots more quickly than desired. What your results mean Clotting too slowly
Normal values for the hematocrit test vary according to age, sex, pregnancy, altitude where people live, and even vary slightly between various testing methods. The following are reported ranges of normal hematocrit levels: 1  Newborns: 55%-68%.2  One (1) week of age: 47%-65%.3  One (1) month of age: 37%-49%.4  Three (3) months of age: 30%-36%. 5  One (1) year of age: 29%-41%. 6  Ten (10) years of age: 36%-40%.he following are reported ranges of normal hematocrit levels: 1  Newborns: 55%-68%. 2  One (1) week of age: 47%-65%. 3  One (1) month of age: 37%-49%. 4  Three (3) months of age: 30%-36%. 5  One (1) year of age: 29%-41%. 6  Ten (10) years of age: 36%-40%.
Results from your hematocrit test are reported as the percentage of blood cells that are red blood cells. Normal ranges vary substantially with race, age and sex. The definition of normal red-blood cell percentage also varies from one medical practice to another. Generally, a normal range is considered to be: