Unadjusted association of IgA with follow-up exacerbations among lowest decile IgA(0–120 mg/dL). Nirupama Putcha Gabriel G. Paul Antoine Azar Robert A. Wise Wanda K. O’Neal Mark T. Dransfield Prescott G. Woodruff Jeffrey L. Curtis Alejandro P. Comellas M. Bradley Drummond Allison A. Lambert Laura M. Paulin Ashraf Fawzy Richard E. Kanner Robert Paine III MeiLan K. Han Fernando J. Martinez Russell P. Bowler R. Graham Barr Nadia N. Hansel 10.1371/journal.pone.0194924.g002 https://plos.figshare.com/articles/figure/Unadjusted_association_of_IgA_with_follow-up_exacerbations_among_lowest_decile_IgA_0_120_mg_dL_/6134759 <p>Unadjusted association of IgA with follow-up exacerbations among lowest decile IgA(0–120 mg/dL).</p> 2018-04-12 17:37:04 serum IgA levels SPIROMICS Background Decreased Myriad RBM biomarker discovery platform baseline serum IgA future COPD studies serum IgA COPD exacerbation risk CI exacerbation risk mg SD IRR exacerbation incidence rates