Fig. 3.

Whole blood drawn by patient and by day in real cases and simulating the usage of reduced-volume sampling tubes.

Note to Fig. 3: Within each box, horizontal black lines denote median values; the boxes represent the 25th and 75th percentiles and the whiskers are the upper and lower values. Open circles denote cases between 75th and 95th percentiles. Asterisks denote outlier values.