Massive Blood Transfusion for Trauma Score to Predict Massive Blood Transfusion in Trauma

Table 3

Risk stratification of prediction values of the MBT scoring system.

Risk classification	Scores	Sensitivity (%)	Specificity (%)	Correctly classified (%)	LR+ (95% CI)	Posttest probability (95% CI)
Low	<4	36.4	9.5	11.7	0.4 (0.27–0.59)	0.04 (0.02–0.06)
High	≥4	63.6	90.5	88.3	6.72 (4.7–9.6)	0.61 (0.45–0.75)

LR+, positive likelihood ratio; CI, confidence interval.