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Table 2 Distribution of clinical parameters according to ERα/Src expression

From: Analysis of genomic and non-genomic signaling of estrogen receptor in PDX models of breast cancer treated with a combination of the PI3K inhibitor alpelisib (BYL719) and fulvestrant

Variable

ERα/SRC ≤10, no. (%)

ERα/SRC >10, no. (%)

P*

Age groups

≤50 years

76 (29.7)

35 (20.1)

0.026

>50 years

180 (70.3)

139 (79.9)

T. size

≤2 cm

152 (59.4)

97 (55.7)

0.455

>2 cm

104 (40.6)

77 (44.3)

LN invasion

No

108 (42.2)

74 (42.5)

0.944

Yes

148 (57.8)

100 (57.5)

SBR grade

Gr 1

44 (17.2)

37 (21.3)

0.394

Gr 2

129 (50.4)

77 (44.3)

Gr 3

83 (32.4)

60 (34.5)

ERα status

Negative

34 (13.3)

21 (12.1)

0.712

Positive

222 (86.7)

153 (87.9)

PR status

Negative

61 (23.8)

47 (27.0)

0.455

Positive

195 (76.2)

127 (73.0)

HER2 status

Negative

238 (83.7)

157 (91.3)

0.345

Positive

16 (6.3)

15 (8.7)

Breast Cancer subtype

Luminal A

146 (57.0)

95 (54.6)

0.876

Luminal B

76 (29.7)

58 (33.3)

HER2 rich

7 (2.7)

4 (2.3)

TNBC

27 (10.5)

17 (9.8)

Type of adjuvant hormonal

Tamoxifen

93 (42.3)

78 (52.3)

0.057

AI

127 (57.7)

71 (47.7)