Abstract:【Objective】To investigate the relationship of serum homocysteine (Hcy) and high mobility group protein B1 (HMGB1) levels with the prognosis of patients with multiple myeloma (MM). 【Methods】A total of 72 MM patients treated in our hospital were divided into the good prognosis group (n=49) and the poor prognosis group (n=23) according to the survival of 3 years follow-up. The age,sex,body mass index (BMI),course of disease,smoking history,drinking history,hypertension history,anemia,light chain type,ISS staging data and the levels of bone marrow plasma cells,hemoglobin (Hb),blood calcium (Ca),blood creatinine (Scr),Hcy,and HMGB1 were compared between the two groups at admission. The predictive value of Hcy and HMGB1 levels on the poor prognosis of MM patients was analyzed with ROC curve,and the risk factors of the poor prognosis were identified with Logistic analysis. 【Results】The proportion of patients aged ≥ 60 years and the levels of Hcy and HMGB1 in the poor prognosis group were significantly higher than those in the good prognosis group (P<0.05). The area under the ROC curve predicted by Hcy and HMGB1 for the poor prognosis of MM patients was 0.815 and 0.777,respectively,(both P<0.05). Multivariate logistic regression analysis confirmed that age ≥ 60 years,Hcy ≥ 13.562 μmol/L and HMGB1 ≥ 216.919 pg/mL were risk factors for poor prognosis of MM patients (all P<0.05). 【Conclusion】The poor prognosis of MM patients is closely related to age,Hcy level and HMGB1 level,which deserves clinical attention.
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