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Table 3 Parameters from the PBC dataset

From: Adjusting for multiple prognostic factors in the analysis of randomised trials

Variable

Proportion of patients with covariate

Hazard ratio

Main effects

Age > 50 years

51

3.01

Log(bilirubin) > 0.3

50

10.65

Albumin > 3.55

50

0.58

Disease stage > 3

73

5.02

Interaction

Age X log(bilirubin)

24

1.03

Age X albumin

23

1.40

Age X disease stage

38

0.66

Log(bilirubin) X albumin

18

0.77

Log(bilirubin) X disease stage

42

0.45

Albumin X disease stage

32

0.65