Box-and-Whisker plots of peripheral neutrophil counts.

The top of each box denotes the third quartile and the bottom of each box denotes the first quartile. The location of the midpoint of the distribution is indicated with a horizontal line in each box. The median is indicated with a gray square. The top whisker denotes the highest 10% and the bottom whisker the lowest 10%. The Mann-Whitney U test was used for the statistical analysis. WT indicates wild-type G-CSFR Tg mice; 730 and 717, Tg mice expressing mutant G-CSFR with a 730 and 717 amino acid truncation, respectively; and Lm, littermates.