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Table 4 The χ2 statistic on Disease-Specific Survival and Overall Survival for Anatomic and Prognostic Stage of TNBCs included in SEER cohort (N = 31,941)

From: AJCC 8th edition prognostic staging provides no better discriminatory ability in prognosis than anatomical staging in triple negative breast cancer

Stage

Disease-Specific Survival

Overall Survival

AS

PS

AS

PS

χ2

p-value

χ2

p-value

χ2

p-value

χ2

p-value

IA vs IB

24.94

< 0.0001

1.272

0.2593

8.254

0.0041

1.561

0.2115

IB vs IIA

0.0045

0.9461

220

< 0.0001

1.247

0.2641

183.3

< 0.0001

IIA vsIIB

137.6

< 0.0001

23.93

< 0.0001

109.5

< 0.0001

22.64

< 0.0001

IIB vs IIIA

98.42

< 0.0001

0.249

0.6178

92.07

< 0.0001

0.005236

0.9423

IIIA vs IIIB

97.38

< 0.0001

9.91

0.0016

128.1

< 0.0001

11

0.0009

IIIB vs IIIC

0.6823

0.4088

21.1

< 0.0001

0.0601

0.8063

21.44

< 0.0001

  1. TNBC triple negative breast cancer, AS anatomic stage, PS prognosis stage
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BMC Cancer

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