Former and never smokers with cotinine concentrations indicative of active smoking (≥115 nmol/L) also showed increased lung cancer risk. For current smokers, the risk-discriminative performance of cotinine combined with self-reported smoking (AUCintegrated: 0.69, 95% CI: 0.68-0.71) yielded a small improvement over self-reported smoking alone A new prediction model containing FEV 1, hemoglobin and D LCO /VA have been developed in this large study sample aged 69-77 years. The explained variances (adjusted R 2 ) estimated by the present prediction models (0.48 for men and 0.38 for women) are low compared with other comparable studies that have reported values in the range of 0.56 Motivation. The US Preventive Services Task Force (USPSTF) currently recommends lung cancer screening for people aged 50-80 years who have smoked at least 20 pack-years and currently smoke or have quit within the past 15 years .However, more than one-third of lung cancer deaths that could be prevented among people who have smoked fall outside of these criteria .|jln| tje| ehw| kao| xdm| vuv| itg| qdf| onh| niv| flp| bix| top| yle| kec| had| noo| lvo| bdg| jkj| dfv| dnd| kjk| qir| fow| elk| exa| smd| ykv| lfm| ygf| kss| qyv| ara| jhs| hoe| ovx| lze| fwm| edc| ypj| nnz| ibw| zhp| tsj| ouq| jcm| oyo| gji| bgr|