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Updated: Feb 5, 2026

Immunoglobulin Gene Sequence Analysis In Chronic Lymphocytic Leukemia: From Patient Material To Sequence Interpretation
Published on: November 26, 2018
Comparison of clinical features and survival between young and old chronic lymphocytic leukemia patients: a single
Rafet Eren1, Abdulkadir Karişmaz1, Damla Karataş2
1a Department of Hematology , İstanbul Training and Research Hospital, University of Health Sciences , İstanbul , Turkey.
Abstract:
We aimed to investigate whether the clinical characteristics, the rate of treatment demand and survival differ between chronic lymphocytic leukemia (CLL) patients <65 years (y) and ≥65 y. Sixty three (46%) patients were <65 y and 74 (54%) were ≥65 y. 28.6% (18/63) of the patients <65 required treatment, while this rate was 44.6% (33/74) for patients ≥65 y (p > .05). The probability of overall survival (OS) was 90 vs. 51% in patients <65 y and ≥65 y (p = .016). In univariate analysis, the age affected OS (p = .04, HR: 0.212, CI: 0.047-0.946). In subgroup analysis, in treated patients, the probability of OS was 73 vs. 49% in patients <65 y and ≥65 y (p = .389). The survival difference between the young and old patients is too high to be ignored and age seems to affect the outcome of CLL patients.
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