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Table 3 Univariate and Multivariate Cox proportional hazard analyses

From: Local efficacy and survival outcome of salvage endoscopic therapy for local recurrent lesions after definitive chemoradiotherapy for esophageal cancer

Characteristic

Number

Univariate

Multivariate

HR

95 % CI

P value

HR

95 % CI

P value

Local recurrence-free survival

Location

       

 Upper

22

ref

  

ref

  

 Middle-Lower

55

0.95

0.41–2.16

0.894

1.13

0.49–2.60

0.777

cT factor

       

 1–2

43

ref

  

ref

  

 3–4

34

2.01

0.94–4.32

0.072

1.89

0.87–4.12

0.107

uT factor

       

 1

67

ref

  

ref

  

 2

10

2.55

0.95–6.86

0.065

1.21

0.42–3.46

0.725

Circumferential spread

       

  < 1/4

45

ref

  

ref

  

 1/4 ≤

32

3.38

1.54–7.41

0.002

3.10

1.35–7.15

0.008

Overall survival

age

       

  ≤ 65

39

ref

  

ref

  

  > 65

38

1.20

0.67–2.16

0.540

1.44

0.77–2.68

0.250

Location

       

 Upper

22

ref

  

ref

  

 Middle-Lower

55

0.91

0.48–1.74

0.779

1.14

0.57–2.28

0.721

cT factor

       

 1–2

43

ref

  

ref

  

 3–4

34

2.01

1.12–3.62

0.020

1.96

0.98–3.92

0.055

Lymph node metastasis

       

 Absent

47

ref

  

ref

  

 Present

30

1.59

0.88–2.88

0.123

1.14

0.58–2.27

0.701

uT factor

       

 1

67

ref

  

ref

  

 2

10

3.02

1.43–6.40

0.004

2.15

0.89–5.21

0.089

Circumferential spread

       

  < 1/4

45

ref

  

ref

  

 1/4 ≤

32

1.62

0.90–2.90

0.108

1.30

0.66–2.55

0.447

  1. Abbreviations: HR hazard ratio, CI confidence interval