• Juan P de-Torres, David O Wilson, Pablo Sanchez-Salcedo, Joel L Weissfeld, Juan Berto, Arantzazu Campo, Ana B Alcaide, Marta García-Granero, Bartolome R Celli, and Javier J Zulueta.
• 1 Pulmonary Department and.
• Am. J. Respir. Crit. Care Med. 2015 Feb 1; 191 (3): 285-91.

RationalePatients with chronic obstructive pulmonary disease (COPD) are at high risk for lung cancer (LC) and represent a potential target to improve the diagnostic yield of screening programs.ObjectivesTo develop a predictive score for LC risk for patients with COPD.MethodsThe Pamplona International Early Lung Cancer Detection Program (P-IELCAP) and the Pittsburgh Lung Screening Study (PLuSS) databases were analyzed. Only patients with COPD on spirometry were included. By logistic regression we determined which factors were independently associated with LC in PLuSS and developed a COPD LC screening score (COPD-LUCSS) to be validated in P-IELCAP.Measurements And Main ResultsBy regression analysis, age greater than 60, body mass index less than 25 kg/m(2), pack-years history greater than 60, and emphysema presence were independently associated with LC diagnosis and integrated into the COPD-LUCSS, which ranges from 0 to 10 points. Two COPD-LUCSS risk categories were proposed: low risk (scores 0-6) and high risk (scores 7-10). In comparison with low-risk patients, in both cohorts LC risk increased 3.5-fold in the high-risk category.ConclusionsThe COPD-LUCSS is a good predictor of LC risk in patients with COPD participating in LC screening programs. Validation in two different populations adds strength to the findings.

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