Table 1.

Baseline characteristics for all 25 patients enrolled on study

	Median	Range
Age, y	62	44-86
Bone marrow involvement, %	40	5-80
Serum IgM, mg/dL	3670	924-8610
B2M, mg/L	2.6	1.4-8.3
Hematocrit, %	34.1	23.6-42.6
Platelets, 1000/μL	250	93-493
Leukocytes, 1000/μL	5.7	2.9-9.4

Patients included 15 males and 10 females; 20 of the 25 patients (80%) were untreated.