Table 3

Performance of prediction models

Model 1: BG≤70 mg/dLModel 2: BG<54 mg/dL
Probability cut-point0.0380.009
c-Statistic at probability cut-point0.77 (0.75–0.78)0.80 (0.78–0.82)
Sensitivity (%)74.6 (72.3–76.7)81.9 (77.9–85.5)
Specificity (%)78.5 (78.1–78.9)78.6 (78.2–79.0)
Positive predictive value (%)12.4 (11.7–13.1)4.0 (3.6–4.4)
Negative predictive value (%)98.7 (98.6–98.8)99.8 (99.7–99.8)
Positive likelihood ratio3.5 (3.4–3.6)3.8 (3.7–4.0)
Negative likelihood ratio0.3 (0.3–0.4)0.2 (0.2–0.3)
  • BG, blood glucose.