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Table 3 Demographic and outcome data for high-ScvO2 and low-ScvO2 groups

From: Changes in central venous saturation after major surgery, and association with outcome

Parameter

High ScvO2

Low ScvO2

p

Number in group

64

53

-

Age

66 ± 12

69 ± 11

0.40

P-POSSUM

37.8 ± 7.4

39.0 ± 7.5

0.39

APACHE II score

9.8 ± 4.3

9.0 ± 3.9

0.30

Length of hospital stay (days)

12 (9–15)

14 (9–25)

0.25

Complications (number of patients)

29 (45%)

35 (66%)

0.03*

Complications (episodes per patient)

0.8 ± 1.1

1.4 ± 1.4

0.04*

Mortality

7 (11%)

4 (7%)

0.54

  1. *Statistically significant difference. Data are presented as means ± SD, medians (interquartile range) or absolute values (%). APACHE, Acute Physiology and Chronic Health Evaluation; P-POSSUM, Portsmouth Physiologic and Operative Severity Score for the enUmeration of Mortality and morbidity; ScvO2, central venous saturation.