Table 2

Univariate analysis of prognostic factors for OS
Covariate n Hazard ratio 95%CI P-value for OS
Age (years) ≥70 22 1.111 0.552-2.234 0.770
<70 56
Gender Male 65 0.312 0.096-1.016 0.023*
Female 13
Effect of CRT Effective 56 0.191 0.098-0.370 0.0001***
Not effective 22
Lymph-node Positive 34 2.624 1.382-4.983 0.002**
metastasis Negative 44
Distant metastasis Positive 12 3.988 2.001-7.947 0.0001***
Negative 66
Depth of tumour T3 40 0.308 0.157-0.602 0.0001***
invasion T4 38
Tumour location1 Upper 13 1.299 0.597-2.827 0.509
Lower 65
BMI1 expression positive 24 3.347 1.775-6.313 0.0001***
negative 54

1 Upper or lower: above or below the tracheal bifurcation.

*P<0.05; ** P<0.005; *** P<0.0005.

Yoshikawa et al.

Yoshikawa et al. BMC Cancer 2012 12:461   doi:10.1186/1471-2407-12-461

Open Data