Table 2 Cox univariate analysis for 3-year survival in 103 patients

Hemoglobin (non-anemic vs anemic)

1.941

1.177-3.202

0.009

1.999

1.232-3.244

0.005

Tumor location (C vs U vs M vs L)

0.936

0.720-1.218

0.623

0.883

0.686-1.136

0.333

Treatment modality (RT vs S + RT vs CRT vs S + CRT)

0.795

0.615-1.027

0.079

0.874

0.697-1.096

0.244

TNM stage (I vs II vs III vs IV)

1.767

1.240-2.519

0.002

2.052

1.431-2.945

0.000

T stage (T1 vs T2 vs T3 vs T4)

1.409

1.017-1.952

0.039

1.543

1.125-2.116

0.007

Status of lymph node (negative vs positive)

2.676

1.582-4.527

0.000

2.241

1.376-3.652

0.001