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. Author manuscript; available in PMC: 2014 Jun 1.
Published in final edited form as: Clin Chem. 2013 Feb 8;59(6):982–990. doi: 10.1373/clinchem.2012.195594

Figure 2.

Figure 2

Results of the LC-MS/MS method comparison with Access™ analyzer (Beckman Coulter) using Tg-AAb negative (A, B) and Tg-AAb positive samples (C). A: concentrations 0–350 ng/mL IA=0.99*LC-MS/MS-3.1, r=0.980, Sy,x=14.8; B: concentrations <60 ng/mL. IA=0.94*LC-MS/MS-3.7, r=0.946, Sy,x=4.2; C: IA=0.53*LC-MS/MS −0.1, r=0.586, Sy,x = 1.1.