Table 4

Peripheral leukocyte counts and morphometric features of patients with APL according to the morphological type (median and range)
Variant (microgranular) classical P
Leukocyte count x109/l 63.0 (24.0 – 160.0) 1.75 (0.69 – 68.0) 0.007
Nuclear area (μ2) 86.5 (83.4 – 115.3) 113.4 (87.1 – 115.3) 0.15
Form factor 1.11 (1.02 - 1.12) 0.97 (0.80 - 1.12) 0.03
Mean gray level 109.7 (106 – 110) 129.7 (102 – 158) 0.012
SD gray level * 6.4 (6.2 - 7.6) 8.7 (7.3 - 10.4) 0.018
Local homogeneity 0.59 (0.58 - 0.61) 0.55 (0.53 - 0.58) 0.008
Entropy 7.01 (6.89 – 7.32) 7.76 (7.29 – 8.21) 0.01
Contrast 2.88 (2.29 - 3.15) 2.59 (2.29 - 2.89) 0.02
Cluster Prominence (x105) 2.20 (1.97 - 4.48) 5.29 (2.26 – 11.94) 0.05
FD Minkowski 2.09 (2.08 - 2.10) 2.11 (2.10 - 2.13) 0.01
R2 0.99910 (0.99900 - 0.99940) 0.99885 (0.99802 - 0.99910) 0.02

* Standard deviation of gray level.

De Mello et al.

De Mello et al. Diagnostic Pathology 2012 7:75   doi:10.1186/1746-1596-7-75

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