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Table 3 Optimal HbA1c cut-off values and performance of the cut-off values in predicting 1-year all-cause mortality in diabetic and non-diabetic ST-segment elevation myocardial infarction and non-ST-segment elevation myocardial infarction patients

From: Optimal glucose, HbA1c, glucose-HbA1c ratio and stress-hyperglycaemia ratio cut-off values for predicting 1-year mortality in diabetic and non-diabetic acute myocardial infarction patients

  STEMI NSTEMI
Diabetic Non-diabetic Diabetic Non-diabetic
Statistical optimal HbA1c cut-off in mmol/L 13.3 6.0 12.2 6.3
Sensitivity in % (95% CI) 4.0 (1.6–6.4) 27.7 (21.6–33.9) 4.3 (1.2–7.5) 14.3 (5.1–23.5)
Specificity in % (95% CI) 97.6 (97.0–98.2) 75.1 (73.5–76.7) 96.5 (95.7–97.2) 92.2 (91.0–93.5)
Positive predictive value in % (95% CI) 14.1 (6.0–22.2) 7.4 (5.5–9.3) 8.3 (2.4–14.2) 5.7 (1.9–9.5)
Negative predictive value in % (95% CI) 91.2 (90.1–92.3) 93.6 (92.5–94.6) 93.2 (92.1–94.2) 97.0 (96.2–97.9)
  1. CI confidence interval, NSTEMI non-ST-segment elevation myocardial infarction, STEMI ST-segment elevation myocardial infarction