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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: Matern Child Health J. 2014 Apr;18(3):698–706. doi: 10.1007/s10995-013-1295-9

Table 6.

Sensitivity, specificity, apparent prevalence, and misclassification rates for alternative rules for classifying GDM cases

BC-HD categories N births classified GDM N births projected GDM Sensitivity percent Specificity percent Percent GDM misclassified Apparent GDM prevalence percent
GDM–GDM 13,508 12,880 44.1 99.9 4.6 2.9
GDM–GDM 20,893 19,312 54.2 99.9 7.6 4.5
NDM-GDM
PDM-GDM 22,297 20,014 55.1 99.9 10.2 4.7
GDM–GDM
NDM-GDM
GDM–GDM 24,727 20,357 55.5 99.2 17.7 5.2
GDM-NDM
NDM-GDM