Statistical analysis of 1 345 patients with lung cancer

Objective To investigate the clinical and pathological characteristics of patients with lung cancer. Methods The clinical and pathological data of 1345 patients with primary bronchogenic carcinoma in Xinqiao Hospital from January 2001 to December 2007 were retrospectively analysis by the Statistica 6.0 and Excel 2003. Result 78.07% of the patient were male and 21.93% were female,with a male to famale ratio of approximately 4 to 1.The incidence peak was ranged from 50 to 59 years,with a rate of 36.00% in male and 31.53% in female. 37.99% of pateient were pathologically diagnosed with adenocarcinoma,35.99% were squamous cell carcinoma,and 15.61% were small cell lung cancer. Most of the female patients (62.03%) had adenocarcinoma while the majority of the male patients (42.83%) had squamous cell carcinoma. There were no significant differences in the pathologic types and gender ration among the seven years. The incidnce rate of adenocarcinoma decreased with age. Conclusions The increased rate of lung cancer is associated with age,with a male to famale ratio of approximately 4 to 1. Adenocarcinoma is the most common form in lung cancer but its incidence rate declines with age.