Table 3 Cox univariate analysis for 5-year survival in 103 patients

Hemoglobin (non-anemic vs anemic)

1.799

1.123-2.882

0.015

1.946

1.217-3.112

0.005

Tumor location (C vs U vs M vs L)

0.945

0.739-1.208

0.650

0.935

0.729-1.199

0.595

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

0.856

0.681-1.076

0.183

0.916

0.741-1.133

0.420

TNM stage (I vs II vs III vs IV)

1.732

1.240-2.418

0.001

1.783

1.263-2.518

0.001

T stage (T1 vs T2 vs T3 vs T4)

1.319

0.988-1.761

0.060

1.441

1.071-1.939

0.016

Status of lymph node (negative vs positive)

2.216

1.394-3.523

0.001

1.769

1.127-2.776

0.013