Table 4

Confusion matrix of the classification results (in %) for the individual smears of the testing set, taking the threshold of 50% into consideration.

Predicted diagnosis
ALL-B APL AML Infections Control
True diagnosis ALL-B 85 015000
APL 0 80 20000
AML 120 88 000
Infections 000 100 00
Control (LY) 0000 100 0
Control (MO) 00030 97
  • Rows indicate the true diagnosis and columns represent the predicted diagnosis supplied by the classifier. Diagonal values are the true positive rates for each smear. The overall classification accuracy was 94%.

  • ALL-B, acute lymphoid leukaemia; AML, acute myeloid leukaemia; APL, acute promyelocytic leukaemia; LY, lymphocyte; MO, monocyte.