Table 2.

Urinary IgG Concentrations and IgG/Creatinine Levels in Each Group

Urine-Based ELISANumber of PatientsIgG Concentration
(μg/mL)
IgG/Creatinine
(μg/mg  ·  Creatinine)
Mean ± SDPValueMean ± SDP Value
Coincident*3563.1 ± 5.45.9 ± 9.8
False-positive3068.0 ± 137.0<.00188.8 ± 151.1<.001
False-negative60.5 ± 0.5.0091.5 ± 1.5.026
  • * True-positive and true-negative cases.

  • Compared with coincident group.