Table 2—

Sensitivity, specificity, positive likelihood ratio, and negative likelihood ratio of type 2 diabetes using a cut-off of fasting plasma glucose ≥5.7 mmol/l or HbA1c ≥5.9%

SensitivitySpecificityPLRNLR
FPG ≥5.7 mmol/l
 Overall83.3 (73.9–92.8)88.0 (85.9–90.2)7.0 (5.5–8.4)0.2 (0.1–0.3)
 South Asian92.6 (82.7–100)84.4 (80.2–88.6)5.9 (4.2–7.6)0.1 (0–0.1)
 Chinese85.7 (67.4–100)91.5 (88.3–94.7)10.1 (5.7–14.4)0.2 (0–0.4)
 European68.4 (47.5–89.3)88.1 (84.4–91.8)5.8 (3.3–8.3)0.4 (0.1–0.6)
HbA1c ≥5.9%
 Overall75.0 (64.0–86.0)79.1 (76.4–81.8)3.6 (2.9–4.3)0.3 (0.2–0.5)
 South Asian88.9 (77.0–100)70.8 (65.6–76.1)3.1 (2.4–3.7)0.2 (0–0.3)
 Chinese85.7 (67.4–100)79.9 (75.3–84.5)4.3 (2.9–5.6)0.2 (0–0.4)
 European47.4 (24.9–69.8)86.4 (82.5–90.3)3.5 (1.6–5.4)0.6 (0.4–0.9)
  • Data are value (95% CI). FPG, fasting plasma glucose; PLR, positive likelihood ratio; NLR, negative likelihood ratio.