Table 3 Information of clinical factors

Age (years,mean ± sd)

60.80 ± 8.29

0.973

0.933–1.015

0.201

0.961

0.875–1.054

0.395

Gender(female/male)

11/71

0.375

0.161–0.872

0.0227

1.008

0.060–16.918

0.996

Pathologic M(M0/M1/–)

78/0/4

–

–

–

–

–

–

Pathologic N(N0/N1/N2/N3/–)

38/17/20/2/5

0.345

0.935–1.935

0.111

1.568

0.753–3.262

0.229

Pathologic T(T1/T2/T3/T4/–)

2/10/24/43/3

0.770

0.511–1.159

0.211

4.321

0.290–64.345

0.288

Pathologic stage (I/II/III/IV/–)

2/5/18/54/3

0.862

0.543–1.367

0.527

0.139

0.006–2.992

0.207

Neoplasm grade(1/2/3)

7/48/26/1

0.923

0.561–1.516

0.75

1.442

0.325–6.407

0.630

Alcohol history(yes/no/–)

57/23/2

0.861

0.432–1.714

0.67

2.703

0.437–16.736

0.285

Angiolymphatic invasion(yes/no/–)

24/35/23

1.184

0.225–2.669

0.684

3.128

0.405–24.172

0.274

Perineural invasion(yes/no/–)

16/41/25

1.037

0.421–2.555

0.938

0.235

0.020–2.818

0.253

PS model status(high/low)

41/41

8.967

4.794–16.77

6.61E-12

86.677

13.996–536.769

1.62E-06

Recurrence (dead/alive)

28/54

1.386

0.740–2.594

0.308

0.807

0.158–4.132

0.797

Recurrence free survival time (months, mean ± sd)

36.91 ± 30.17

–

–

–