Table 2.

Bone marrow microvessel density according to the AML subtype

AML Subtype (FAB Classification) Microvessel Counts* (×500 Field)
M0 (n = 2) 22.6 [9.7-35.4]
M1 (n = 8) 23.9 [21.0-28.4]
M2 (n = 21)23.4 [21.5-27.0]
M3 (n = 2) 18.0 [18.5-18.6]
M4 (n = 10) 23.2 [20.2-24.2]
M5 (n = 14)25.9 [23.5-31.2]
M6 (n = 4) 27.5 [26.5-28.2]
M7 (n = 1) 29.2
  • AML = acute myeloid leukemia; FAB = French-American-British.

  • * Values represent medians and interquartile ranges. No significant differences between the groups were observed by Kruskal-Wallis analysis.