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Table 1 Patient and tumor characteristics

From: Elective nodal irradiation versus involved-field irradiation for stage II–IV cervical esophageal squamous cell carcinoma patients undergoing definitive concurrent chemoradiotherapy: a retrospective propensity study with 8-year survival outcomes

Characteristics

Before matching (n = 131)

After matching (n = 98)

ENI (n = 60)

IFI

(n = 71)

P

ENI (n = 49)

IFI (n = 49)

P

Sex

  

0.602

  

0.842

 Male

30

39

 

26

25

 

 Female

30

32

 

23

24

 

Age (year)

  

0.044

  

0.520

 ≤ 65

45

41

 

35

32

 

 > 65

15

30

 

14

17

 

ECOG PS

  

0.438

  

0.543

 0

54

60

 

44

42

 

 1–2

6

11

 

5

7

 

cT stage

  

0.340

  

1.000

 3

48

62

 

41

41

 

 4

12

9

 

8

8

 

cN stage

  

0.511

  

0.795

 0

13

22

 

12

11

 

 1

27

29

 

24

24

 

 2–3

20

20

 

13

14

 

8th AJCC stage

  

0.482

  

1.000

 II–III

48

61

 

41

41

 

 IV

12

10

 

8

8

 

Radiation dose

  

0.082

  

1.000

 ≥ 50 Gy,  ≤ 59.4 Gy

21

15

 

15

15

 

 > 59.4 Gy, ≤ 66 Gy

39

56

 

34

34

 

Hypopharyngeal invasion

  

0.815

  

1.000

 Yes

9

12

 

7

8

 

 No

51

59

 

42

41

 
  1. ECOG Eastern Cooperative Oncology Group; PS Performance status; AJCC American Joint Commission
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Radiation Oncology

ISSN: 1748-717X

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