Haptoglobin and absolute B-lymphocyte counts.

Pretreatment and 2-month posttreatment levels of haptoglobin (A) and pretreatment, 2-month posttreatment, and 6-month posttreatment absolute B lymphocyte counts (B), as well as mean values ± SD for the whole study population. Small circles indicate the value for each patient; large circles, median values for the entire study population.