Table 1 Baseline characteristics of the sample population.

From: Efficacy of cell-free DNA as a diagnostic biomarker in breast cancer patients

Characteristics

BC cases

n = 84

Healthy controls

n = 150

Age

18–40 years

18–40 years

ER

Positive

51

–

Negative

33

PR

Positive

45

–

Negative

39

HER2

Positive

39

–

Negative

45

TNBC

Positive

13

–

Negative

71

TPBC

Positive

13

–

Negative

71