Table 2

Study population
Patient characteristics Number of patients %
Age at breast cancer diagnosis (years)
 Median, range 50 (23–82)
Age at BM diagnosis (years)
 Median, range 55 (25–85)
Time between initial diagnosis and BM diagnosis (months)
 Median, range 39.4 (0–319.2)
Hormone receptor status
 Positive 119 47.6
 Negative 131 52.4
HER-2 status
 Positive 109 43.6
 Negative 141 56.4
Karnofsky Performance status
 100 66 26.4
 80–90 119 47.6
 60–70 28 11.2
 40–50 32 12.8
 10-30 5 2
Extra-cerebral metastases at BM diagnosis
 Yes 219 87.6
 No 31 12.4
Systemic treatment after BM diagnosis
 Chemotherapy
  Yes 177 70.8
  No 73 29.2
 Anti-HER2 treatment for HER2+ patients
  Yes 20 18.3
  No 89 81.7

BM, Brain Metastases, KPS, Karnofsky Performance Status.

Braccini et al.

Braccini et al. BMC Cancer 2013 13:70   doi:10.1186/1471-2407-13-70

Open Data