Optimizations of the naïve-Bayes classifier for the prognosis of B-Chronic Lymphocytic Leukemia incorporating flow cytometry data.

Abstract:

:Prognosis of B-Chronic Lymphocytic Leukemia (B-CLL) remains a challenging problem in medical research and practice. While the parameters obtained by flow cytometry analysis form the basis of the diagnosis of the disease, the question whether these parameters offer additional prognostic information still remains open. In this work, we attempt to provide computer-assisted support to the clinical experts of the field, by deploying a classification system for B-CLL multiparametric prognosis that combines various heterogeneous (clinical, laboratory and flow cytometry) parameters associated with the disease. For this purpose, we employ the naïve-Bayes classifier and propose an algorithm that improves its performance. The algorithm discretizes the continuous classification attributes (candidate prognostic parameters) and selects the most useful subset of them to optimize the classification accuracy. Thus, in addition to the high classification accuracy achieved, the proposed approach also suggests the most informative parameters for the prognosis. The experimental results demonstrate that the inclusion of flow cytometry parameters in our system improves prognosis.

authors

Lakoumentas J,Drakos J,Karakantza M,Sakellaropoulos G,Megalooikonomou V,Nikiforidis G

doi

10.1016/j.cmpb.2012.02.009

subject

Has Abstract

pub_date

2012-10-01 00:00:00

pages

158-67

issue

1

eissn

0169-2607

issn

1872-7565

pii

S0169-2607(12)00061-2

journal_volume

108

pub_type

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