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Table 1 Pretreatment characteristics of the 88 patients with large brain metastases in critical areas

From: Optimal hypofractionated conformal radiotherapy for large brain metastases in patients with high risk factors: a single-institutional prospective study

Number of patients

88

Location of tumor

92 lesions

Median age (range)

64 (33–93)

Cerebral hemisphere

61

Age ≥65

42

Frontal

27

Age <65

46

Parietal

10

Sex

 

Temporal

13

Male

42

Occipital

21

Female

46

Thalamus, basal ganglia

4

Primary cancer

 

Cerebellum

17

Lung

41

Median KPS score

70 (50–100)

Breast

23

KPS ≥70

54

Gastro-intestinal tract

9

KPS <70

34

Ovary

4

Tumor volume, median (cm3)

16.2

Kidney

3

≥ 30.0

13

Thyroid

2

20.0-29.9

18

Larynx

2

10.0-19.9

61

Uterus

2

Image follow-up period (months)

 

Others

6

Median

7

Multiple vs single

 

Range

1-37

Multiple metastases

45

Survival period (months)

 

Single metastases

43

Median

9

Metastases to other organs

50

Range

3-41