Table 4

Performance characteristics of the non-invasive risk score for type 2 diabetes in the primary and validation cohorts

ModelAUCCut-offSensitivity
% (95% CI)
Specificity
% (95% CI)
PPVNPV
UAE citizens0.82 (0.78–0.86)≥1975.4 (68.3 to 81.7)70.0 (65.8 to 73.9)45.3 (39.4–51.2)89.6 (86.2–92.4)
Arab non-UAE citizens0.80 (0.76–0.84)≥1574.4 (67.7 to 80.3)71.5 (67.7 to 75.1)46.1 (40.6–51.7)89.5 (86.4–92.1)
  • AUC, area under the curve; NPV, negative predictive value; PPV, positive predictive value; UAE, United Arab Emirates.