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Screening for lung cancer

Overview of attention for article published in this source, September 1999
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Title
Screening for lung cancer
Published by
John Wiley & Sons, Ltd, September 1999
DOI 10.1002/14651858.cd001991
Pubmed ID
Authors

Manser, RL, Irving, LB, Stone, C, Byrnes, G, Abramson, M, Campbell, D

Abstract

The effectiveness of screening for lung cancer with chest radiography, sputum cytology or spiral CT has not been established. To determine whether screening for lung cancer using regular sputum examinations or chest radiography or CT chest reduces lung cancer mortality. Electronic databases, bibliographies, hand searching of a journal and discussion with experts were used to identify published and unpublished trials. Controlled trials of screening for lung cancer using sputum examinations, chest radiography or CT chest. Intention to screen analysis was performed. Where there was significant statistical heterogeneity relative risks were reported using the random effect model, but for other outcomes the fixed effect model was used. Seven trials were included (6 randomised controlled studies and 1 non-randomised controlled trial) with a total of 245,610 subjects. There were no studies with an unscreened control group. Frequent screening with chest x-rays was associated with an 11% relative increase in mortality from lung cancer compared with less frequent screening (RR 1.11, CI: 1.00-1.23). A non statistically significant trend was observed to reduced mortality from lung cancer when screening with chest x-ray and sputum cytology was compared with chest x-ray alone (RR 0.88, CI:0.74-1.03). Several of the included studies had potential methodological weaknesses. There were no controlled studies of spiral CT. The current evidence does not support screening for lung cancer with chest radiography or sputum cytology. Frequent chest x-ray screening might be harmful. Further, methodologically rigorous trials are required.

Twitter Demographics

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Mendeley readers

The data shown below were compiled from readership statistics for 8 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Canada 1 13%
Unknown 7 88%

Demographic breakdown

Readers by professional status Count As %
Professor 3 38%
Other 1 13%
Student > Bachelor 1 13%
Student > Ph. D. Student 1 13%
Student > Doctoral Student 1 13%
Other 1 13%
Readers by discipline Count As %
Medicine and Dentistry 3 38%
Biochemistry, Genetics and Molecular Biology 2 25%
Social Sciences 1 13%
Agricultural and Biological Sciences 1 13%
Engineering 1 13%
Other 0 0%