Comparison of central laboratory HbA1c measurements obtained from a capillary collection versus a standard venous whole blood collection in the GRADE and EDIC studies

Nathan, David M.; Krause-Steinrauf, Heidi; Braffett, Barbara H.; Arends, Valerie L.; Younes, Naji; McGee, Paula; Lund, Claire; Johnson, Mary; Lorenzi, Gayle; Gao, Xiaoyu; Steffes, Michael W.; Lachin, John M.; the GRADE Research Group; the DCCT/EDIC Research Group

doi:10.1371/journal.pone.0257154

Comparison of central laboratory HbA1c measurements obtained from a capillary collection versus a standard venous whole blood collection in the GRADE and EDIC studies

Background We compared HbA1c values obtained from capillary blood collection kits versus venous whole blood collections in study participants with type 1 or type 2 diabetes. Methods A total of 122 subjects, 64 with type 2 diabetes participating in the Glycemia Reduction Approaches in Diabetes: A …