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01.03.2013 | Short Communication | Ausgabe 1/2013

Medical Oncology 1/2013

Prognostic risk score for the survival of elderly patients with acute myeloid leukaemia comprising comorbidities

Zeitschrift:
Medical Oncology > Ausgabe 1/2013
Autoren:
Irena Djunic, Nada Suvajdzic-Vukovic, Marijana Virijevic, Aleksandra Novkovic, Natasa Colovic, Ana Vidovic, Dragica Tomin

Abstract

Using various risk factor scores, we aimed to identify a subset of elderly patients with acute myeloid leukaemia (AML) for whom it was possible to assess the prognosis. We also aimed to develop a novel prognostic score system. This single centre study involved 102 patients of ≥60 years of age with non-promyelocytic AML. The adverse cytogenetic risk group appeared as the most significant independent prognostic factor for overall survival (OS). Our prognostic scoring system was developed after analysing prognostic risk factors and was applied for patients with favourable and intermediate (I and II) cytogenetic risk groups: age <65 years of age, normal lactate dehydrogenase (LDH) and a comorbidity score obtained applying the haematopoietic cell transplantation-specific comorbidity index (HCT-CI) < 3 = 0 points, in which age ≥65 years = 1 point and an elevated LDH score and HCT-CI ≥3 = 2 points. According to this prognostic model, patients without adverse cytogenetics were classified into three risk groups: favourable = 0–2 points, intermediate = 3–4 points and poor = > 4 points. The OS between these groups was highly significant (p < 0.001). The prognostic model developed in this study may refine the prognosis procedure of elderly AML patients without an adverse karyotype regarding OS, thereby guiding the treatment approach.

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