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Table 2 Univariate analyses of factors associated with recurrence, metastasis and survival

From: Vasculogenic mimicry contributes to lymph node metastasis of laryngeal squamous cell carcinoma

Variable

Overall Survival

 

Disease-Free

Survival

 
 

χ2

P

χ2

P

Sex, male vs female

1.809

0.179

0.690

0.496

Age, y, ≥60 vs <60

0.075

0.784

0.342

0.559

Tobacco, Yes vs No

2.371

0.124

2.661

0.103

Drink, Yes vs No

0.013

0.911

0.648

0.421

Location,

Super glottic vs glottic vs subglottic

0.585

0.746

6.035

0.049

pTNM stage, Ivs II vs III vs IV

11.600

0.009

4.592

0.204

T classification, T1 vs T2 vs T3 vs T4

10.744

0.013

6.915

0.075

Nodal status, N-positive vs N-negative

6.238

0.013

0.583

0.445

Distant Metastasis, Yes vs No

0.042

0.837

0.374

0.541

Recurrence, Yes vs No

12.386

<0.0001

0.043

0.836

Histopathological grade, 1 vs 2 vs 3

6.529

0.038

1.274

0.529

Tumor size, cm, ≥3 vs <3

4.809

0.028

10.364

0.001

Surgery modality

(cervical neck dissection) Yes vs No

0.672

0.412

1.122

0.290

Radiotherapy, Yes vs No

26.752

<0.0001

27.750

<0.0001

MVD, <17.53 vs ≥17.53

0.084

0.772

0.037

0.847

VM, Yes vs No

6.054

0.014

6.535

0.011

  1. VM: vasculogenic mimicry; MVD: micro vessel density.