Table 3.

Diagnostic accuracy of suspected blood indicator according to the literature (%)

	Liangpunsakul et al[8]		Signorelli et al[12]		D’Halluin et al[10]		Buscaglia et al[9]		Kim et al[11]
	OL	AB	OL	AB	OL	AB	OL	AB	OL	AB
Sensitivity	25.7	81.2	40.9	60.9	45	83	56.4	58.3	20	93
PPV	90.3	81.3	69.2	53.8	52	23	24	70	44	21

PPV: Positive predictive value; OL: Overall lesion; AB: Active bleeding.