Dynamic changes in immunophenotypic compartments in the progression from CP to BP-CML. (A) Bar graphs of mean sizes of indicated populations (x-axis) as a percentage of bone marrow Lin⁻CD34⁺ population (y-axis). Error bar corresponds to standard error of the mean: *P < .05; **P < .01; ***P < .001. (B) Tabular representation of the data in panel A.