PLCO associated_with COPD
Evidence from:
primary |
all sources
Evidence (2 sources)
Time to First Morning Cigarette and Risk of Chronic Obstructive Pulmonary Disease: Smokers in the PLCO Cancer Screening Trial.
(2015)
PMID:25985429
cited
References to baseline and follow-up in the manuscript refer to the larger PLCO study design; COPD cases were defined using PLCO questionnaires.
confidence: 0.90
Time to First Morning Cigarette and Risk of Chronic Obstructive Pulmonary Disease: Smokers in the PLCO Cancer Screening Trial.
(2015)
PMID:25985429
cited
COPD identified in 19% of participants in each arm of PLCO
confidence: 0.93