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Table 5 Pathologic characteristics according to age group

From: Triple negativity and young age as prognostic factors in lymph node-negative invasive ductal carcinoma of 1 cm or less

 

Age ≤ 35 (%)

Age > 35 (%)

P value

Hormone receptor (HR)

   

   ER+ and/or PR+

14 (60.9)

237 (67.7)

0.498

   ER-PR-

9 (39.1)

113 (32.3)

 

HER2a

   

   Negative

8 (34.8)

88 (25.2)

0.328

   Positive

15 (65.2)

261 (74.8)

 

HR/HER2

   

   HR+ and/or HER2+

19 (82.6)

297 (85.1)

0.763

   HR-HER2-

4 (17.4)

52 (14.9)

 

p53

   

   <10%;

13 (59.1)

207 (60.7)

1.000

   ≥10%

9 (40.9)

134 (39.3)

 

Ki-67

   

   <10%

15 (68.2)

260 (76.2)

0.441

   ≥10%

7 (31.8)

81 (23.8)

 
  1. aHER2 status was determined by immunohistochemistry and was available in 372 patients.; 0,1+,2+;negative, 3+;positive
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BMC Cancer

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