Table 4.

Observed and expected transfusion using TRUST score as predictor in the Hosmer-Lemeshow test.

	TRBCC = No		TRBCC = Yes		Patients
	Observed	Expected	Observed	Expected
Baseline risk	12	8.519	1	4.481	13
Low risk	61	60.390	48	48.610	109
Intermediate risk	65	76.617	106	94.383	171
High risk	52	46.443	82	87.557	134
Very high risk	19	17.031	52	53.969	71

Chi-squared test = 8.64 (P=0.034).

TRBCC=transfusion of red blood cell concentrates; TRUST=Transfusion Risk Understanding Scoring Tool