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Table 3 Univariate Analysis; significant factors

From: Brachytherapy of stage II mobile tongue carcinoma. Prediction of local control and QOL

  

Relapse free survival

Overall survival

Cervical metastasis free survival

Variables

 

UHR

P value

UHR

P value

UHR

P value

Growth pattern

       
 

Superficial vs. exophytic

2.84

<0.001

5.16

0.03

1.49

0.15

 

Superficial vs. invasive

3.92

<0.001

7.54

0.01

3.39

<0.001

Tumor thickness (mm)

       
 

≤5 vs. 6–10

1.76

0.19

2.08

0.15

2.87

<0.001

 

≤5 vs. 10–15

3.02

0.02

2.80

0.08

3.10

<0.001

 

≤5 vs. > 15

3.57

<0.001

3.93

0.01

5.02

<0.001

Brachytherapy source

       
 

192Ir vs. 137Cs

1.25

0.76

1.29

0.81

3.74

<0.001

 

192Ir vs. 226Ra

0.81

0.52

1.22

0.61

1.23

0.33

Brachytherapy dose (Gy)

       
 

≤70vs. > 70

1.24

0.54

1.24

0.61

1.03

0.91

UHR: unadjusted hazard ratio

       
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Radiation Oncology

ISSN: 1748-717X

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