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Table 3 Two-way interaction terms for significant factors affecting survival using multifactorial analysis with a Weibull hazard model

From: Pre-operative hypoalbuminaemia predicts poor overall survival in rectal cancer: a retrospective cohort analysis

Factors

DF

Chi squared

P value

Circumferential margin positivity

1

5.7647

0.01*

Serum albumin level

1

6.1745

0.01*

Circumferential margin positivity × serum albumin

1

0.9343

0.33

AJCC stage

1

7.8196

0.005*

Circumferential margin positivity × AJCC stage

1

1.6852

0.19

AJCC stage × serum albumin level

1

0.5503

0.45

  1. × Interaction between two factors.
  2. *Significant values.