Abstract:Objective To analyze the anemia of 20 500 patients with malignant tumor. Methods The clinical data of 20 500 patients with malignant tumors admitted to Zhejiang cancer hospital from January to November 2018 were analyzed retrospectively, the incidence of different tumor associated anemia (CRA) was calculated. The severity of different CRA were analyzed. The age distribution and gender distribution of CRA were analyzed. Results The incidence of CRA in 20,500 cases was 23.7%. The highest incidence of CRA was gynecological tumors, followed by digestive and urinary system tumors. The incidence of head and neck tumors with anemia was the lowest. The severity of CRA was mostly 4,424 (91.1%) in grades 1-2, and 434 (8.9%) of CRA in grades 3-4. The age of CRA patients were mostly distributed from 50 to <70 years, accounting for 60.07%, followed by 30 to <50 years, accounting for 20.87%, and the youngest were less than 30 years, accounting for 1.26%. The incidence of CRA was higher in men than in women, the difference was statistically significant (P<0.05). Conclusion The overall incidence of CRA is high, with grade 1-2 anemia as the predominant factor, the incidence of CRA is higher in men than in women.
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