Power Analysis, Statistical Significance, & Effect Size. If you plan to use inferential statistics (e.g., t-tests, ANOVA, etc.) to analyze your evaluation results, you should first conduct a power analysis to determine what size sample you will need. This page describes what power is as well as what you will need to calculate it.
1 Mean corpuscular volume (MCV) is a measurement of the average size of a single red blood cell.  Mean corpuscular hemoglobin (MCH) is a calculation of the average amount of hemoglobin inside a single red blood cell.
No virus means no hepatitis C. If the antibody test is positive, your medical provider must order another test called a hepatitis C viral load (or HCV RNA) to see if you actually have hepatitis C. This test looks for the presence of the virus in your blood.