Historic Controls n=68 Study Group n=104 p-value
Type of surgical resection, n (%) Minor
Major
Extended
37 (54)
9 (13)
21 (31)
58 (56)
13 (13)
33 (32)
0.66
Surgical time, min (range) 192 (150-240) 195 (155-240) 0.66
Laparoscopic approach, n (%) 10 (15) 31 (30) 0.02
Peridural, n (%)
Blood loss, ml (range)
Blood component transfusion
Intraoperative
Patients receiving RBC, n (%)
RBC# , U
Patients receiving FFP, n (%)
FFP#, mL
Patients receiving platelets, n (%)
Postoperative
Patients receiving RBC, n (%)
RBC#, U
Patients receiving FFP, n (%)
FFP#, mL
Patients receiving platelets, n (%)
33 (48)
200 (110-500) 12


(18)
2 (2-3.7)
34 (50)
1000 (1000-1000)
0

10 (15)
2 (2-3)
3 (4)
500 (500- 1000)
1(1.5)
56 (54)
200 (100-350)


6 (6)
2 (1-2)
0
0
0

8 (8)
2 (2-4)
2 (2)
1000 (1000-1000)
0
0.39
0.16


0.02
0.01
<0.01
<0.01
1

0.20
0.15
0.38
0.34
0.39
Definition of Abbreviations: p value= statistical significance comparing both groups; # data only from transfused patients. RBC: red blood cells. FFP: Fresh Frozen Plasma. Data expressed as median (25-75%)
Table 2: Comparison of perioperative data between historic controls (2009) and study group (January 2012-June 2013).