Abstract
We retrospectively analyzed the outcomes of 175 consecutive patients admitted to our hospital between April 2004 and June 2014, and identified 42 (24%), 80 (46%), and 53 (30%) patients ≥ 80, 66–79, and ≤ 65 years old, respectively. The median progression-free survival (PFS) and overall survival (OS) of the ≥ 80, 66–79, and ≤ 65 years old groups were 19.1, 26.3, and 54.3 months, and 31.9, 54.8, and 83.8 months, respectively. Patients ≥ 80 but not ≤ 79 years old with ECOG performance score (PS) ≥ 3 and/or Charlson comorbidity index (CCI) ≥ 5 showed significantly shorter survival. ECOG PS and CCI predicted the treatment outcome of patients ≥ 80 but did not predict ≤ 79 years old.
Authorship statement
KM designed the study collected the data, and wrote the manuscript. YM performed the statistical analysis and wrote the manuscript. MF, KF, YS, HS, and MT provided clinical care and performed laboratory examinations. All authors had full access to all of the data in the study and had final responsibility for the decision to submit for publication.
Potential conflict of interest
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