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%.
Hematocrit (Hct), the ratio of RBC to the total volume of blood; Based on the composition of blood cells, doctors can better know where to focus their investigation and which areas they can probably avoid. Normal Ranges of RBC Counts. An RBC count is the number of red blood cell per a particular volume of blood. It may be reported in millions of cells per microliter (mcL) of blood or in millions of cells per liter (L) of blood. The normal range can sometimes vary by population.