Table 1.

Patient characteristics

	Median or count	Range or percentage
Sex, female	21/57	36.8%
Age at diagnosis, y	60	40-78
β2 microglobulin at diagnosis >3, mg/L	19/46	41.3%
Age at biopsy, y	62	41-83
Familial history of WM	3/57	5.3%
Splenomegaly	13/57	22.8%
Lymphadenopathy	30/57	52.6%
Bone marrow involvement, %	60	5-95
Hemoglobin, g/dL	11.1	8.2-14.5
Serum IgM, mg/dL	3750	416-8320
Serum IgG, mg/dL	517	82-3890
Serum IgA, mg/dL	40	6-516
MYD88 mutations	52/57	91.2%
CXCR4 mutations	23/57	40.0%
ARID1A mutations	5/51	9.8%
CD79B mutations	4/51	7.8%
Deletion chromosome 6q	24/53	45.3%
Amplification chromosome 6p	6/53	11.3%
Amplification chromosome 3q	11/52	19.2%
Amplification chromosome 4	10/52	21.1%