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Table 3 Univariate analyses

From: Simultaneous integrated boost concepts in definitive radiation therapy for esophageal cancer: outcomes and toxicity

  

OS

  

PFS

  

Parameter

Number of patients

Events

Median 95% confidence interval

p value (log rank test)

Events

Median 95% confidence interval

p value (log rank test)

T-Stage

   

0.766

  

0.585

T1

4

3

0.0–51.3

 

3

0.0–51.3

 

T2

9

5

0.0–58.1

 

6

0.0–14.8

 

T3

53

31

9.0–33.0

 

31

3.9–30.1

 

T4

22

16

6.6–23.4

 

17

0.0–13.4

 

T2 + 1

13

8

25.9–48.1

 

8

4.8–33.2

 

Chemotherapy

   

 < 0.001

  

 < 0.001

Yes

60

30

15.4–78.6

 

32

0.0–58.9

 

No

41

33

5.9–12.1

 

33

2.9–9.1

 

Charlson index

   

0.096

  

0.089

Score 2

20

9

-

 

9

-

 

Score > 2

81

54

10.1–25.9

 

56

8.3–21.7

 

Age

   

0.036

  

0.092

 ≤ 75 years

68

38

14.4–41.6

 

40

6.9–27.1

 

 > 75 years

33

25

5.6–16.4

 

25

0.0–14.7

 

BMI

      

0.027

underweight

8

7

0.0–20.1

 

8

2.3–7.7

 

normal weight

43

26

6.8–47.2

 

26

11.9–26.2

 

overweight

29

19

6.0–28.0

 

19

4.1–25.9

 

obese

21

11

0.0–44.0

 

12

0.0–35.4

 
  1. 1T2 + was used for tumors stages at least T2 but without further exact T-staging