Fig. 2. Insulin measurement results obtained using different measurement systems for the five pooled samples (A–E). (F) Mean results for the measurement systems. The X-axis presents the five pooled samples and the Y-axis represents the mean value of laboratories using the same measurement system. Each symbol represents a different measurement system, and the serum samples are shown in order of insulin concentration.

Ann Lab Med 2022;42:428~437 https://doi.org/10.3343/alm.2022.42.4.428