Table 4 Univariate and multivariate survival analyses of clinicopathological characteristics

C20orf54 defective expression

2.044 (0.912,4.583)

0.082

1.522 (0.642, 3.608)

0.340

Differentiation^a (poor)

1.490 (0.775,2.865)

0.232

1.256 (0.599, 2.635)

0.546

TNM^b (III+IV)

2.108 (1.190,3.733)

0.011^*

2.519 (1.043, 6.082)

0.040^*

L/N metastasis (positive)

2.429 (1.369,4.308)

0.002^*

0.910 (0.368, 2.247)

0.838

Invasion depth (T2, T3, T4)

5.24 (1.626,16.935)

0.006^*

5.817 (1.542, 21.94)

0.009^*

Location (upper, middle)

1.906 (1.029,3.531)

0.040^*

1.859 (0.970, 3.564)

0.062

Smokers (ever)

0.966 (0.534,1.748)

0.909

0.93 (0.437, 1.988)

0.856

Drinkers (ever)

1.107 (0.629,1.949)

0.724

0.84 (0.436, 1.768)

0.715