Monitoring trends in quality control material
Quality control material are run daily and monitored over time: The results for the instrument over time is the black line with the red results indicating the mean (red dashed line) and 2SD (+ and -, solid red lines) of all the results compiled from thousands of laboratories using your type of instrument for that test. The green lines indicate the target or expected mean (dashed green line) and 2SD (solid green lines). A: Random bias: The contr…
Monitoring trends in quality control material Read More »