Characteristics of Lung Cancer Patients Detected by Screening.

概要

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In order to clarify some problems involved in lung cancer screening, we analyzed characteristics of 177 lung cancer patients detected by screening (screening group), comparing to those of 537 patients detected by other methods (other group). The screening group were younger and showed a significantly larger rate of females and fewer symptoms than the other group. In the screening group, 118 patients who underwent operation (operation group) were younger and showed significantly fewer symptoms than the 59 patients who did not undergo operations (non operation group). There were no significant differences in gender, smoking habits, other chest illness, results of screening examination on the previous year, chest X-ray film changes or the duration from the screening examination to visiting our hospital in either group. A multiple regression model revealed that age and symptoms contributed to determinants for operability and Cox's proportional hazards model revealed that symptoms, age and chest X-ray film changes contributed to survival. These results showed that symptoms had an important influence upon operability and survival.<BR>The 39.5% rate of the screening group showed some subjective symptoms already, which were very poor. We must advise subjects who have some lasting symptoms not to wait for next screening examination but to visit a screening hospital soon.
特定非営利活動法人日本肺癌学会の論文