Skip to main content

Table 1 Variables found to be significant in the majority of bootstrap replications run on the UK derivation cohort for the two outcomes

From: Derivation and validation of a prognostic model for postoperative risk stratification of critically ill patients with faecal peritonitis

Variable

HR

HR 95% CI

coeff

coeff 95% CI

p

6 month mortality

 Age

1.05

1.03–1.07

0.045

0.02–0.06

<0.001

 SOFA score

1.20

1.12–1.28

0.18

0.11–0.25

<0.001

 Low temperature

0.76

0.63–0.91

[−0.28]

[−0.46]–[−0.09]

0.004

 High heart rate

1.01

1.01–1.02

0.01

0.01–0.02

0.007

 Haematocrit

0.97

0.94–0.99

[−0.031]

[−0.059]–[−0.003]

0.028

28-day mortality

 Age

1.05

1.03–1.08

0.049

0.03–0.07

<0.001

 SOFA score

1.22

1.12–1.33

0.2

0.11–0.29

<0.001

 Low temperature

0.70

0.55–0.88

[−0.36]

[−0.59]–[−0.13]

0.002

 High heart rate

1.01

1–1.02

0.01

[−0.001]–0.2

0.07

 Haematocrit

0.99

0.95–1.02

[−0.013]

[−0.047]–0.022

0.47

  1. HR hazard ratio; 95% CI 95% confidence interval, coeff coefficient, SOFA Sequential Organ Failure Assessment; the use of the square brackets [] indicates negative values