Table 2 Univariate and multivariate analyses for survival of squamous cell carcinoma patients

A (univariate)

 Gender

  Male

1.50 (0.56–3.96)

0.97 (0.42–2.25)

  Female

1

1

 Age (years)

  ≥ 60

0.47 (0.21–1.05)

0.49 (0.23–1.04)

  < 60

1

1

 Smoking status

  Ever smokers

1.08 (0.46–2.56)

0.81 (0.37–1.73)

  Never smokers

1

1

 cStage

  IV

1.22 (0.58–2.56)

1.15 (0.58–2.27)

  III

1

1

 Tumor differentiation

  Poor

1.30 (0.58–2.91)

1.29 (0.60–2.75)

  Well/moderate

1

1

 Performance status

  1–2

1.72 (0.72–4.06)

1.30 (0.63–2.68)

  0

1

1

B

1.29 (0.91–2.03)

1.17 (0.96–1.82)

NK

0.97 (0.57–1.82)

0.92 (0.62–1.56)

NKT

1.19 (0.73–1.65)

1.21 (0.86–1.76)

γδT

0.65 (0.35–1.36)

0.78 (0.43–1.44)

CD8+CD28+

1.01 (0.94–1.10)

0.99 (0.93–1.07)

CD8+CD28−

2.01 (1.16–4.05)

2.12 (1.07–4.36)

CD28+/CD28−

0.96 (0.68–1.37)

0.87 (0.61–1.22)

CD4+CD25^hi

1.17 (0.68–2.04)

1.28 (0.78–2.10)

B (multivariate)

 Age (years)

0.47 (0.21–1.05)

0.48 (0.22–1.02)

 CD8+CD28−

1.41 (1.17–3.06)

2.01 (1.06–3.85)