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目的了解昆明地区吸烟致肺癌的危险性。方法回顾性调查昆明３家大医院１９９１～１９９５年１７４５例住院肺癌病例；前瞻性调查上述医院１９９６年１～８月的１６７例肺癌病例，并进行统计分析。结果上述医院历年肺癌住院病例均占恶性肿瘤中的第一位。年龄５０～６９岁组占６７２％，＜４０岁占８８％。有吸烟史的占６７１％，肺鳞癌患者中吸烟者占４８４％，以下是腺癌（１５８％），小细胞未分化癌（８０％）；肺鳞、腺、小细胞未分化癌与吸烟的严重程度密切相关，吸烟指数与年龄的关系：＜４０岁和４０～４９岁，４０～４９岁与５０～５９岁，５０～５９岁与６０～６９岁组均有非常显著差异（Ｐ＜００１）。结论吸烟是致肺癌的重要因素之一。
Objective To understand the risk of smoking caused by lung cancer in Kunming area. Methods A retrospective survey of 1745 hospitalized lung cancer cases in 3 major hospitals in Kunming from 1991 to 1995 was conducted. A prospective investigation was performed on 167 cases of lung cancer cases from January to August 1996 in the above hospitals and statistical analysis was made. Results The above hospital lung cancer cases over the years accounted for the first case of malignant tumors. The age group of 50 ~ 69 accounted for 67 2%, <40 years old accounted for 8 8%. Smoking history accounted for 67 1%, lung squamous cell carcinoma in smokers accounted for 48 4%, the following is adenocarcinoma (15 8%), small cell undifferentiated carcinoma (8 0%); lung scales, glands , Small cell undifferentiated carcinoma is closely related to the severity of smoking, the relationship between smoking index and age: <40 and 40 to 49 years old, 40 to 49 years old and 50 to 59 years old, 50 to 59 years old and 60 to 69 years old group There was a very significant difference (P <001). Conclusion Smoking is one of the important factors that cause lung cancer.