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Table 1 Patient characteristics

From: Discordance in 21-gene recurrence scores between paired breast cancer samples is inversely associated with patient age

Characteristics

n (%)

Total number

25

Median age at diagnosis

48

 Years; range

36–77

Median days between samples

19

 Days; range

6–42

Tumour type

 IDC

18 (72)

 ILC

6 (24)

 Other

1 (3)

Tumour grade

 1

6 (24)

 2

13 (52)

 3

5 (20)

 Unknown

1 (4)

Tumour size

 ≤ 10 mm

2 (8)

 11–20 mm

8 (32)

 21–50 mm

8 (32)

 > 50 mm

6 (24)

 Unknown

1 (4)

Lymph node status

 Positive

13 (52)

 Negative

11 (44)

 Unknown

1 (4)

Lymphovascular invasion

 Present

18 (72)

 Absent

7 (28)