Table 3

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

× Interaction between two factors.

*Significant values.

Chandrasinghe et al.

Chandrasinghe et al. BMC Clinical Pathology 2013 13:12   doi:10.1186/1472-6890-13-12

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