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. 2021 Feb 6;160(1):330–340. doi: 10.1016/j.chest.2021.01.041

Table 2.

Patients’ Knowledge of Lung Cancer Screening (n = 266)

Question Correct Responses
Where does lung cancer rank as a cause of cancer death in the United States? (No. 1 cause of cancer deaths) 79 (29.8)
What is the best way to lower the chance of lung cancer developing or dying of lung cancer? (Don’t smoke) 173 (66.3)
What is the leading cause of lung cancer in the United States? (Smoking) 223 (84.2)
Do health professional groups recommend all current and former smokers be screened for lung cancer? (No) 52 (19.6)
Is screening recommended for someone who quit smoking more than 15 y ago? (No) 23 (8.7)
How often do health professional groups recommend people be screened for lung cancer? (Every year) 131 (49.4)
Is screening recommended for someone who has other health problems that may shorten their life? (No) 27 (10.2)
Is screening recommended for someone who is not able or willing to be treated for lung cancer? (No) 78 (29.3)
Without screening, is lung cancer often found at a later stage when cure is less likely? (Yes) 229 (86.1)
How much does screening for lung cancer lower the chances of dying of lung cancer? (About 20%) 7 (2.6)
Can lung cancer screening find other health conditions? (Yes) 212 (79.7)
How much radiation is a person exposed to through lung cancer screening? (More than a chest radiograph) 25 (9.4)
How many people with abnormal lung cancer screening results will have lung cancer? (Most will not have lung cancer) 33 (12.5)
Can lung cancer screening suggest that you have lung cancer when you do not? (Yes) 118 (44.4)
Can lung cancer screening miss a possible lung cancer? (Yes) 156 (58.9)
Will all tumors found by lung cancer screening grow to be life threatening? (No) 171 (64.3)

Data are presented as No. (%). Frequencies do not sum to total per group because of missing data. Correct response noted in parentheses.