Comparison of immunophenotypes in BM and PB samples. (A) Boxplots and dotplots displaying only significant comparisons (Mann-Whitney U test, P < .05) of CD8⁺ T- and NK-cell immunophenotypes quantified from paired BM and PB samples of AML patients at diagnosis. The center line of boxplots displays the median value and whiskers the interquartile range. The color of the bar reflects whether the immunophenotype is from BM (red) or PB (blue). P values for the comparison are listed on the top (**P < .01, *P < .05). (B) Differences in the median proportion of immunophenotypes from BM and PB samples in AML patients and healthy controls. The length of the bar signifies the amplitude of the difference between BM and PB samples (value in BM subtracted by value in PB). Bars orientated to the right represent immunophenotypes more prevalent in BM than PB samples. All common immunophenotypes analyzed with flow cytometry in both AML and control BM and PB samples are presented. As control samples were unpaired, no P values were computed.