Skip to main content

Table 1 Patient characteristics, n = 100

From: 30-day mortality in patients treated for brain metastases: extracranial causes dominate

Baseline parameter

Number (= %)

Sex

 Female sex

46

 Male sex

54

Tumor type

 Non-small cell lung cancer

42

 Breast cancer, triple negative

3

 Breast cancer, Her2 positive

4

 Breast cancer, other

4

 Malignant melanoma

12

 Small cell lung cancer

9

 Renal cell cancer

8

 Colorectal cancer

10

 Other gastrointestinal cancer

5

 Other primary tumors (bladder, head/neck)

3

Extracranial disease

 

 No extracranial metastases

9

 Extracranial metastases

91

 Bone metastases

37

 Liver metastases

38

 Lung/pleura metastases

56

 Controlled primary tumor

55

 Uncontrolled primary tumor*

45

 Active organ sites incl. uncontrolled primary tumor: 0

5

 Active sites: 1**

16

 Active sites: 2

25

 Active sites: 3

31

 Active sites: 4

17

 Active sites: > 4

6

Brain metastases

 Single brain metastasis

12

 Two or three brain metastases

21

 Four or five brain metastases

19

 Six to ten brain metastases

27

 More than ten brain metastases

21

 Synchronous brain metastases

24

 Metachronous brain metastases, within 12 months

37

 Metachronous brain metastases, 13–24 months

11

 Metachronous brain metastases, 25–36 months

11

 Metachronous brain metastases, 37–60 months

8

 Metachronous brain metastases, > 60 months

9

 Asymptomatic brain metastases

9

 Symptom response to steroids

64

 No response to steroids

27

 Largest lesion diameter ≤ 2 cm

48

 Largest lesion diameter 2.1–3.0 cm

23

 Largest lesion diameter 3.1–4.0 cm

19

 Largest lesion diameter > 4.0 cm

10

Karnofsky performance status (KPS)

 KPS 50

14

 KPS 60

30

 KPS 70

44

 KPS 80

8

 KPS 90

4

Treatment

 Primary systemic treatment

7

 Surgery with post-operative cavity radiotherapy

2

 Stereotactic single fraction radiosurgery

6

 Stereotactic fractionated radiotherapy

6

 Whole-brain radiotherapy, 20 Gy in 5 fractions

12

 Whole-brain radiotherapy, 30 Gy in 10 fracions

64

 Whole-brain radiotherapy, higher dose than 30 Gy

3

 Any systemic therapy after diagnosis of brain metastases

34

Age, years

  < 60

18

 60–69

40

 70–79

35

 80–89

5

  ≥ 90

2

Extracranial score (EC-S; LDH, albumin, extracranial involvement of at least 2 organs, e.g. bone + liver)

 All 3 adverse factors present

9

 Two of these factors present

42

 One of these factors present

36

 No adverse factors present

13

LabBM score (5 blood test results)

 LabBM score 0 (favorable)

15

 LabBM score 0.5

7

 LabBM score 1.0

17

 LabBM score 1.5

21

 LabBM score 2.0

14

 LabBM score 2.5

15

 LabBM score 3.0

9

 LabBM score 3.5

2

  1. LDH lactate dehydrogenase
  2. *progressive after previous treatment or not yet treated
  3. **examples uncontrolled primary tumor or liver metastases, irrespective of number and size