In contrast, arrhythmia, other diseases, FEV1, mean corpuscular volume, BMI, mean corpuscular hemoglobin concentration, albumin, C reactive protein, smoking duration, hematocrit, aspartate aminotransferase, percentage VC, and duration of smoking cessation were unlikely to predict rapid decliners (see Supplementary Table 2). The gene discussed is CRP; the disease is Arrhythmia.