Table 2.

Categorization of eligible patients as T2DM and non-DM subjects

Data source	TPs, N	FPs, N	TNs, N	FNs, N	Sensitivity (TP/(TP+FN)),%	Specificity (TN/(FP+TN)), %	PPV (TP/(TP+FP)), %	FNR (FN/(TP+FN)), %	p Value*
T2DM subject
Mayo Clinic alone	513	27	11 948	252	67.1	99.8	95.0	32.9	<0.001
Mayo Clinic + OMC	765	0	11 975	0	100	100	100	0
Non-DM subject
Mayo Clinic alone	2683	215	8269	1573	63.0	97.5	92.6	37.0	<0.001
Mayo Clinic + OMC	4256	0	8484	0	100	100	100	0

^*p Value for comparison of categorizations between Mayo Clinic alone and Mayo Clinic + OMC.

DM, diabetes mellitus; FNR, false-negative rate; FN, false negative; FP, false positive; OMC, Olmsted Medical Center; PPV, positive predictive value; TN, true negative; TP, true positive; T2DM, type 2 diabetes mellitus.