A

Total number of ICU admissions annually in the US

4.4 mil

VERICC [18]

B

% Adult ICU admissions

0.8

Groeger 1993 [19]

C

% At risk for a late TF

0.29

Corwin 2002 [16]

D

Mean # units/pt at risk – current practice

3.01

Corwin 2002 [16]

E

Mean # units/pt TF – restrictive strategy group

2.6

Corwin 2002 [16]

F

Number of patients in restrictive group

418

Hebert [15]

G

% Patients transfused in restrictive group

0.67

Hebert [15]

H

Mean # units/pt at risk – restrictive practice

1.74

(fxgxe)/f

I

Total annual number of units TF – current practice

3,073,360

Axbxcxd

j

Total annual number of units TF – restrictive practice

1,778,234

Axbxcxh

k

Total annual number of units TF avoided restrictive practice

1,295,126

ij

l

CV+ARDS SACs in liberal group

136

Hebert 1999 [15]

m

CV+ARDS SACs in restrictive group

87

Hebert 1999 [15]

n

TSACs

49

lm

o

Total pRBC u TF liberal

2,352

Hebert 1999 [15]^{¶}

p

Total pRBC u TF restrictive

728

Hebert 1999 [15]^{¶}

q

pRBC u TF excess

1,624

op

r

Units/1 TSAC

33

q/n

s

TSACs avoided restrictive practice

39,246

k/r
