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Table 4 Efficacy of AC in different subgroups

From: Adjuvant chemotherapy does not benefit patients with esophageal squamous cell carcinoma treated with definitive chemoradiotherapy

 

1,2,5-y OS

1,2,5-y LFFS

1,2,5-y DFFS

CRT-alone

CRT-AC

p

CRT-alone

CRT-AC

p

CRT-alone

CRT-AC

p

Clinical N stage

N0

76.5, 58.8, 52.3

95.0, 81.0, 66.7

0.297

69.3, 69.3, 69.3

95.2, 95.2, 89.6

0.105

94.4, 87.2, 87.2

95.2, 89.6, 89.6

0.777

N1

68.2, 37.9, 23.5

79.0, 33.6, 14.4

0.324

69.7, 58.8, 55.3

62.6, 45.7, 31.3

0.131

68.9, 60.7, 57.3

78.5, 68.3, 53.4

0.377

N2

40.0, 26.7, 0.0

33.0, 0.0, 0.0

0.785

51.9, 0.0, .0.0

33.3, 33.3, 33.3

0.877

80.0, 53.3, 53.3

0.0, 0.0, 0.0

0.942

Clinical M stage

M0

71.7, 45.8, 35.5

79.7,57.0, 31.0

0.880

70.0, 61.0, 61.0

70.6, 63.5, 57.1

0.860

79.5, 70.3, 67.5

89.6, 79.4, 79.4

0.191

M1

50.0, 18.2, 4.5

50.0, 18.7, 12.5

0.936

60.6, 44.2, 29.5

67.3, 26.9, 0.0

0.692

52.6, 46.1, 46.1

59.2, 47.4, 47.4

0.792

Clinical TNM stage

II

75.3, 43.9,43.9

95.0, 80.0, 55.0

0.208

72.7, 58.2, 58.2

90.0, 90.0, 84.4

0.079

81.6, 74.2, 74.2

95.0, 95.0, 87.1

0.195

III

71.7, 37.9, 33.2

61.1, 38.9, 16.7

0.378

68.8, 51.6, 51.6

59.3, 37.6, 37.6

0.549

61.4, 62.2, 62.2

87.7, 68.2, 56.8

0.598

IVA

69.7, 54.9, 33.8

67.7, 38.7, 23.5

0.651

77.8, 72.9, 72.9

64.2, 59.9, 47.2

0.120

86.7, 76.6, 69.7

86.6, 71.9, 63.9

0.878

short-term response

CR

88.5,76.5,58.4

100, 87.5,78.0

0.274

88.0, 79.4, 74.1

95.8, 91.3, 84.2

0.276

84.4, 76.2, 71.1

95.8, 83.3, 74.8

0.590

PR

46.1,17.1,12

60.0, 20.0, 0.0

0.998

55.4, 50.8, 50.8

68.2, 52.8, 33.0

0.954

60.6, 48.6, 48.6

67.9, 55.7, 55.7

0.470

SD

77.4, 36.1,24

56.3, 37.2, 22.3

0.616

65.7, 48.3, 48.3

50.8, 36.9, 31.6

0.277

80.3, 72.3, 72.3

92.8, 86.2, 77.6

0.117

PD

25.0, 0.0, 0.0

33.3, 0.0, 0.0

0.704

33.3, 33.3, 33.3

66.7, 66.7, 66.7

0.642

75.0, 75.0, 75.0

0.0, 0.0, 0.0

0.247

  1. M1: supraclavicular lymph node metastasis