Table 1 Subjects enrolled in the study.

From: A prediction model using 2-propanol and 2-butanone in urine distinguishes breast cancer

 

Training set

External set

BCP

HC

BCP

HC

Number of subjects

60

60

50

117

Age

Median

60 (34–88)

58.5 (34–81)

60.5 (35–85)

48 (18–84)

Mean

60.3

58.7

58.8

51.2

S.D

12.1

12.2

13.7

18.5

Clinical stage

0

0

12

I

30

20

II

30

11

III

0

6

IV

0

1

Histological subtype

Luminal A-like

18

27

Luminal B-like

18

9

Luminal HER2-like

8

4

Pure HER2-like

4

3

Triple-negative-like

11

7

NA

1

0

  1. BCP breast cancer patient, HC healthy control, NA not applicable, S.D. standard deviation.