Table 3.

ROC analyses of MPV, initial TnI and the combination of MPV and initial TnI.

	AUC (95% CI)	Optimal cut-off	Sensitivity % (95% CI)	Specificity % (95% CI)	Positive likelihood ratio	Negative likelihood ratio
Initial TnI	0.696 (0.595–0.798)	0.35 ng/mL	84.1 (0.813–0.869)	51.2 (0.485–0.539)	1.725 (1.590–1.860)	0.31 (0.291–0.329)
MPV	0.736 (0.637–0.836)	10.55 fL	54.2 (0.479–0.605)	83.8 (0.775–0.901)	3.345 (2.937–3.753)	0.546 (0.490–0.602)
Combined	0.822 (0.739–0.905)	–	83.1 (0.802–0.860)	75.7 (0.726–0.788)	3.414 (3.159–3.669)	0.224 (0.198–0.250)