Table 1.

Flow cytometry, bone marrow aspirate, and trephine biopsy in CLL

	Group	Number
1	FC+ BMB+ BMA+	46/65
2	FC+ BMB+ BMA−	9/65
3	FC+ BMB− BMA−	4/65
4	FC− BMB− BMA−	2/65
5	FC− BMB+ BMA+	2/65
6	FC+ BMBu BMA+	1/65
7	FCu BMB+ BMA−	1/65
	Total	65/65

BMA, bone marrow aspirate; BMB, bone marrow trephine biopsy; CLL, chronic lymphocytic leukaemia; FC, flow cytometry; +, positive for involvement by CLL; −, negative for involvement by CLL; u, uncertain for involvement by CLL.