Table 2

Intra- and postoperative characteristics of patients

Variable	Not transfused (n=201)	Transfused (n=102)	p Value
No of units
0
1		7
2		59
≥3		34
First haematocrit on bypass	25	22	<0.001
Haematocrit on postoperative day 3	40	46	0.01
Aprotonin (%)
None	46	33
Half dose	3	16
Full dose	51	51
		nptrend	0.04
Infection (%)^*	2	7	0.03
Pneumonia (%)	1	11	<0.001
Length of stay (days), median	8	15	<0.001
Discharged home (%)	89	52	<0.001
In-hospital charges^†	$57 353	$106 044	<0.001
Reported satisfaction (% excellent)	79	83	0.67

↵* Defined as detection of mediastinitis, leg wound infection or by infectious disease personnel through culture.
↵† Median.