From: Prognostic impact of ZAP-70 expression in chronic lymphocytic leukemia: mean fluorescence intensity T/B ratio versus percentage of positive cells
ISO-method
T-method
T/B Ratio-method
<11
≥ 11
% conc
<20
≥ 20
≥ 3
<3
M IGHV
90
25
75
92
23
74
79
36
67
UM IGHV
17
41
(p < 0.00001)
21
37