Comparison of Survival and Clinical Features In Different Age Cohorts of Patients with Multiple Myeloma: A Single Center Experience
2010
Abstract 4997 Purpose This analysis was aimed to compare clinical features in different age cohorts of multiple myeloma (MM) patients and to identify the impact of the clinical characteristics on survival in the patients in a single center. Patients and Methods We retrospectively analyzed data from 513 patients between Sep 1995 and Feb 2010 in the Asan Medical Center. Correlation of baseline characteristics with survival was made by the following age strata: Results Median observed overall survival (OS) in the entire cohort was 3.20 years (95% confidence interval: 2.71–3.68). Observed survival decreased steadily with ages from 4.56 years in patients younger than age 45 years to 2.50 years in patients ≥65 years ( P =0.003). The patients in the oldest group (age 65 years or older) were more likely to have International Staging System (ISS) stage II or III than others ( P =0.007). There were no significant differences in hypercalcemia (≥10 mg/dL), elevated serum creatinine (≥2 mg/dL), anemia (Hb P =0.001 and P =0.046, respectively). Furthermore, higher proportion of patients underwent ASCT in the younger 10-year age cohorts (71.4%, 53.7%, 43.4%, 2.5% in P Conclusion No significant differences in the myeloma related organ or tissue impairment and prognostic markers including CRP, LDH and bone marrow infiltration of myeloma cells were noted among different age groups. However, survival significantly declined in the higher age group, which might be related to higher ISS stage associated with hypoalbuminemia, high serum β2-microglobulin level and lower proportion of patients receiving ASCT. Disclosures: No relevant conflicts of interest to declare.
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