Table 3

Characteristics of transfusions

VariableIntraoperativePostoperativep Value
Units per transfusion (%)
 11442
 27957
 ≥371<0.001
Indications
 Blood in abdomen11
 Blood in chest38
 Blood in leg10
 Failure to diureseNA16
 Falling haematocrit09
 Haemodynamically unstable210
 Low haematocrit5943
 Low O207
 Other32
 Predicted low haematocrit31NA
 Unknown04
Recent haematocrit, median
 Prior to transfusion21240.079
 After transfusion2429<0.001