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Table 2 Positive agreement of T-Track® CMV, QuantiFERON®-CMV and iTAg™ MHC Tetramers with CMV serology in hemodialysis patients

From: Validation of T-Track® CMV to assess the functionality of cytomegalovirus-reactive cell-mediated immunity in hemodialysis patients

Test CMV positive serologya CMI+ CMI- Positive agreement 95% CI
T-Track® CMV 67 60 7 0.896 0.797–0.957
 CMV aIE-1 67 33 34 0.493 0.368–0.618
 CMV app65 67 58 9 0.866 0.760–0.937
QuantiFERON®-CMVb 62 45 17 0.726 0.598–0.831
iTAg™ MHC Tetramers 52 40 12 0.769 0.632–0.875
  1. aCMV-serology served as primary reference measurement procedure; bcalculation of the positive agreement and associated 95% CI do not take into account the 4 indeterminate QuantiFERON®-CMV results out of the 66 CMV-seropositive patients; CMI+ positive test result, CMI- negative test result, CI confidence interval