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目的探讨贫血、体重减轻、吞咽困难等“预警症状”与诊断老年人群中恶性肿瘤之间的关系。方法采用回归性分析，病例对照研究方法，对我社区5年来登记的老年恶性肿瘤发病时的发生贫血、体重减轻、吞咽困难等症状行单因素和多因素非条件Logistic回归方法分析。结果贫血等预警症状与老年人常见恶性肿瘤存在相关性。特别是胃癌、结直肠癌患者发病时多合并有轻度贫血。结论在社区医疗工作中，贫血等“预警症状”可能预示老年人隐匿性存在恶性肿瘤的可能，对于预警症状进行早期评价有助于在早期或易于处理的阶段发现或鉴别恶性肿瘤。“,”Objective The relationship between cancer with anemia, weight loss, dif iculty swal owing, “ Alarm symptoms” and diagnosis in the elderly population. Methods Using regression analysis, case-control study, the occur ence of symptoms of anemia univariate I registered in the past five years the community of elderly cancer when the disease, weight loss, dif iculty swal owing and multivariate conditional Logistic regression analysis. Results Exist, such as early Alarm symptoms of anemia associated with cancer common in the elderly. Especial y gastric cancer, while the incidence of colorectal cancer patients with more complicated with mild anemia. Conclusion In community health work, anemia and other “early warning symptoms” may indicate the presence of occult malignancy elderly may, for the early Alarm symptoms evaluation or help find cancer at an early stage or stages of the identification tractable.