|
Injury severity score (ISS)
|
26 ± 11
|
32 ± 9
|
0.08
|
|
Pulmonary contusion, no. (%)
|
9 (39)
|
1 (8)
|
0.04
|
|
Pneumothorax before admission, no. (%)
|
10 (44)
|
3 (25)
|
0.38
|
|
Pneumonia, no. (%)
|
2 (9)
|
3 (25)
|
0.70
|
|
Time to surgery after injury, d
|
5 ± 3
|
10 ± 6
|
0.03
|
|
PEEP pre-operative, cmH2O
|
9 ± 6
|
7 ± 2
|
0.30
|
|
PEEP post-operative, cmH2O
|
8 ± 4
|
8 ± 1
|
0.99
|
|
Perioperative blood loss, mL
|
1058 ± 1277
|
1261 ± 1095
|
0.68
|
|
Perioperative fluid balance, mL
|
2573 ± 1859
|
2205 ± 1669
|
0.70
|
|
Perioperative crystalloids, mL
|
3140 ± 978
|
3755 ± 1311
|
0.16
|
|
Perioperative colloidsa, mL
|
818 ± 737
|
528 ± 643
|
0.31
|
|
Perioperative rbc transfusion rate, units
|
3 ± 3
|
2 ± 1
|
0.51
|
|
Fresh frozen plasma transfusion rate, units
|
2 ± 2
|
2 ± 2
|
0.72
|
