Table 1 Demographic and biochemical data for patients with and without post-operative morbidity

Demographic

   Age (years)

67.0 ± 12.3

66.7 ± 10.4

0.89

   Blood loss (ml)

1,200 (520–2,000)

1,000 (725–2,350)

0.88

   GDT

27/64 (42%)

35/53 (66%)

0.02*

   APACHE II score

9.9 ± 4.3

9.0 ± 3.8

0.28

   P-POSSUM score

40.1 ± 8.1

36.8 ± 6.8

0.02*

   ASA score

3 (2–3)

3 (2–3)

0.61

Biochemical

   Baseline base excess (mmol l^-1)

-2.62 ± 3.03

-2.40 ± 3.31

0.71

   Lowest base excess (mmol l^-1)

-3.67 ± 3.04

-4.30 ± 3.17

0.29

   Base excess, 8-hour mean (mmol l^-1)

-2.73 ± 3.83

-2.31 ± 3.15

0.44

   Baseline lactate (mmol l^-1)

1.49 ± 0.81

1.38 ± 0.74

0.43

   Highest lactate (mmol l^-1)

1.93 ± 1.30

1.80 ± 0.88

0.55

   Lactate, 8-hour mean (mmol l^-1)

1.29 ± 0.81

1.23 ± 0.55

0.65