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Table 1 Patient characteristics in the EPITAX, DDP and PETREMAC clinical trials

From: Prenatal BRCA1 epimutations contribute significantly to triple-negative breast cancer development

 

EPITAX

(N = 99)

DDP

(N = 95)

PETREMAC

(N = 217)

Age

 Mean (SD)

49.5 (10.3)

48.4 (9.80)

53.0 (10.9)

 Median [Min, Max]

49.0 [25.0, 70.0]

48.0 [24.0, 71.0]

51.0 [27.0, 78.0]

Tumor receptor status *

 TNBC

16 (16.2%)

17 (17.9%)

33 (15.2%)

 HER2–/ER<10%

4 (4.0%)

0

2 (0.9%)

 HER2–/ER≥10%

48 (48.5%)

59 (62.1%)

114 (52.5%)

 HER2+

29 (29.3%)

19 (20.0%)

68 (31.3%)

 Missing

2 (2.0%)

0

0

Tumor molecular subtype *

 Basal

24 (24.2%)

14 (14.7%)

29 (13.4%)

 Her2

20 (20.2%)

14 (14.7%)

45 (20.7%)

 LumA

22 (22.2%)

32 (33.7%)

70 (32.3%)

 LumB

22 (22.2%)

25 (26.3%)

51 (23.5%)

 Normal

11 (11.1%)

10 (10.5%)

20 (9.2%)

 Missing

0

0

2 (0.9%)

Tumor histology

 IDC

80 (80.8%)

72 (75.8%)

159 (73.3%)

 ILC

15 (15.2%)

17 (17.9%)

32 (14.7%)

 Other

4 (4.0%)

6 (6.3%)

26 (12.0%)

  1. N number of tumor samples, TNBC triple-negative breast cancer, HER2 Human epithelial-like receptor-2, ER estrogen receptor, basal basal-like gene expression profile, Her2 HER2-enriched gene expression profile, LumA luminal A gene expression profile, LumB luminal B gene expression profile, Normal normal-like gene expression profile, IDC invasive ductal carcinoma, ILC invasive lobular carcinoma
  2. *Test of heterogeneity between cohorts (Chi-Square): p > 0.2