Chunk #16 — Materials and Methods — Smoking-related diseases — Chronic obstructive pulmonary disease

Source

A rare missense mutation in CHRNA4 associates with smoking behavior and its consequences.

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Sweden Participants in a population study on COPD in Norrbotten (Olin study), Sweden.26 Those who answered questionnaire were followed up with spirometry and blood sample; 581 COPD patients (defined by spirometry (FEV1/FVC<0.7 and FEV1<80% of predicted values) or (FEV1/FVC<0.7)) and 918 controls.