Table 1

Clinical, epidemiological and outcome data

Low base excess group

Normal base excess group

P value

n (%)

134 (80)

34 (20)

Age (years)

63 ± 19

68 ± 14

0.15

Gender, male (%)

49

48

0.88

APACHE II score

16 ± 11

15 ± 8

0.41

APACHE II predicted mortality (%)

31 ± 27

26 ± 21

0.33

Actual mortality (%)

19

17

0.53

McCabe score

1.8 ± 0.7

1.8 ± 0.8

0.62

SOFA score

5 ± 5

4 ± 3

0.16

Medical/surgical admission (%)

47

82

0.0002

Type of surgical admission

Elective (%)

34

15

<0.03

Emergency (%)

15

3

0.06

Trauma (%)

3

0

0.31

Transferred from

Emergency department (%)

40

71

<0.002

General ward (%)

11

3

0.14

Time to intensive care unit admission (hours)

3 (1 to 5)

2 (2 to 5)

0.90

Shock (%)

46

24

0.02

Chronic obstructive pulmonary disease (%)

4

38

<0.0001

Sepsis (%)

23

21

0.75

Stroke

15

6

0.09

Mechanical ventilation (%)

40

35

0.22

Total bilirubin (mg%)

1.1 ± 1.2

1.1 ± 1.7

0.65

Plasma urea (mg%)

46 ± 31

54 ± 32

0.24

Plasma creatinine (mg%)

1.3 ± 0.7

1.1 ± 0.5

0.26

APACHE, Acute Physiologic and Chronic Health Evaluation; SOFA, Sepsis-related Organ Failure Assessment.

Tuhay et al. Critical Care 2008 12:R66   doi:10.1186/cc6896