Immediate screening method for predicting the necessity of massive transfusions in trauma patients: a retrospective single-center study

Table 5 Sensitivity and specificity values and the percentage of correctly classified cases obtained with the ABC scoring system and our new screening method (Table 4 )

	Cut-off point	Sensitivity (%)	Specificity (%)	Correctly classified (%)
ABC score in original study	≧0	100	0	13
	≧1	95	56	61
	≧2	75	86	84
	≧3	25	97	87
	≧4	6	100	88
ABC scores obtained using our center’s data	≧0	100	0	13
	≧1	85	85	46
	≧2	48	98	80
	≧3	19	100	100
	≧4	0	100	–
Our new screening method	≧0	100	0	13
	≧1	97	81	43
	≧2	61	93	56
	≧3	36	98	69

ABC score assessment of blood consumption score, BE base excess, FAST focused assessment of sonography for trauma, SBP systolic blood pressure, HR heart rate.

ISSN: 2052-0492