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Table 2 Univariate survival analysis of OSCC with surgery a

From: Analysis of primary oral and oropharyngeal squamous cell carcinoma in inhabitants of Beijing, China—a 10-year continuous single-center study

Variable

HR

95% CI

P

Gender

 Male (n = 238)

1.147

(0.846, 1.557)

0.377

 Female (n = 216)

1

  

Age

  > 50 (n = 391)

0.780

(0.516, 1.178)

0.238

  ≤ 50 (n = 63)

1

  

Place

 Suburban (n = 113)

1.262

(0.898, 1.774)

0.180

 Urban (n = 341)

1

  

Tumor site

 Oropharynx (n = 39)

1.103

(0.648, 1.875)

0.718

 Oral cavity, lip (n = 415)

1

  

pTNM stage

 III–IV (n = 232)

2.458

(1.774, 3.406)

< 0.001

 I–II (n = 222)

1

  

T stage

 T3–4 (n = 152)

1.896

(1.393, 2.581)

< 0.001

 T1–2 (n = 302)

1

  

Nodal metastasis

 N+ (n = 149)

2.426

(1.786, 3.295)

< 0.001

N0 (n = 305)

1

  

Tumor differentiation

 II–III (n = 197)

1.840

(1.319, 2.565)

< 0.001

 I (n = 210)

1

  

Cigarettes

 Yes (n = 160)

0.901

(0.652, 1.246)

0.528

 No (n = 294)

1

  

Alcohol

 Yes (n = 115)

0.892

(0.625, 1.274)

0.529

 No (n = 339)

1

  

Neck dissection

 Yes (n = 334)

1.309

(0.911, 1.882)

0.146

 No (n = 119)

1

  

Postoperative radiotherapy

 Yes (n = 136)

1.858

(1.360, 2.538)

< 0.001

 No (n = 318)

1

  
  1. aUnivariate Cox proportional hazards logistic regression