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

	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)

CI confidence interval, NSTEMI non-ST-segment elevation myocardial infarction, STEMI ST-segment elevation myocardial infarction