Table 1.

Changes in variables from baseline to 24 weeks on treatment

	Imatinib (n = 8)		Placebo (n = 4)
Variable	Change	P	Change	P
RBC count, 106 cells/μL	−0.6	0.007	−0.07	0.5
Hemoglobin, g/dL	−0.8	0.07	−0.1	0.7
Hematocrit, %	−4.4	0.02	−2.7	0.09
MCH, pg	1.8	0.009	−0.7	0.5
WBC count, 103 cells/μL	−0.9	0.02	−0.7	0.5
Total tryptase, ng/mL	−5.8	0.02	1.05	0.1
%CD34+CD133+	−0.02	0.04	0.01	0.7
%c-Kit+	−2.3	0.03	0.6	0.7
%c-Kit+/CD34+CD133+	−8	0.03	−3.6	0.6

^NoteRBC: red blood cell; MCH: mean corpuscular hemoglobin; WBC: white blood cell.