Table 4. Frequency of AML cases with aberrant CD7 expression among various FAB classes of AML.

AML: acute myeloid leukemia, FAB: French-American-British, M0: acute myeloid leukemia with minimal maturation, M1: acute myeloid leukemia without maturation, M2: acute myeloid leukemia with maturation, M3: acute promyelocytic leukemia, M4: acute myelomonocytic leukemia, M5: acute monocytic/monoblastic leukemia.

AML subtype (FAB classification)	AML patients	CD7 expression
AML M0	12	3
AML M1	20	7
AML M2	13	9
AML M3	26	5
AML M4	19	7
AML M5	30	5
Total	120	36