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Table 3 Overall survival by characteristics

From: Involved-field radiotherapy (IFRT) versus elective nodal irradiation (ENI) in combination with concurrent chemotherapy for 239 esophageal cancers: a single institutional retrospective study

 

Overall survival rate

 

Clinical stage

1-y

2-y

3-y

p value

 I

92.5 %

78.0 %

67.6 %

 

 II

73.9 %

64.5 %

53.9 %

 

 III

63.2 %

46.6 %

33.3 %

 

 IV

54.8 %

30.6 %

23.5 %

 

Clinical T stage

   

<0.0001

 cT1

87.2 %

75.4 %

67.5 %

 

 cT2

77.7 %

67.6 %

59.1 %

 

 cT3

65.0 %

48.2 %

35.7 %

 

cT4

52.9 %

25.0 %

15.1 %

 

Age (years old)

   

0.049

 > 70

60.5 %

44.4 %

34.6 %

 

 < 70

72.9 %

55.8 %

45.4 %

 

Cycles of chemotherapy

   

0.0004

 One

43.2 %

29.3 %

17.6 %

 

 Two

67.5 %

51.3 %

41.8 %

 

 Three

79.2 %

66.7 %

53.5 %

 

 Four

77.1 %

56.7 %

49.3 %

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