Table 1.

Patient characteristics

Age at diagnosis of BM (years); median (range)	59 (39–83)
Duration from diagnosis of primary tumor to BM (months); median (range)	9.5 (0–164)
Gender; male (%), female (%)	24 (60), 16 (40)
KPS at diagnosis of BM; median (range)	90 (60–100)
Number of BM at diagnosis of BM; n (% of patients)
1	20 (50)
2–3	10 (25)
> 4	10 (25)
Systemic tumor progression at diagnosis of BM; n (% of patients)
Yes (including synchronous BM)	31 (77.5)
No	9 (22.5)
Synchronous BM; n (% of patients)	17 (42.5)
Metachronous BM; n (% of patients)	23 (57.5)
Survival time from diagnosis of BM (months); median (range)	51.5 (36–141)
Concurrent diseases; n (% of patients)
Smoking	18 (45)
Arterial hypertension	19 (47.5)
Hypercholesteremia	4 (10)
Peripheral arterial occlusive disease	2 (5)
Diabetes mellitus	3 (7.5)
Other cardiovascular diseases	9 (22.5)
COPD	6 (15)
History of other tumor disease	10 (25)

BM brain metastases, COPD chronic obstructive pulmonary disease