Table 1 Patient characteristic of two groups (case)

Gender

0.056

0.813

Male

24

23

Female

14

15

Age(years)

0.386

0.699

Range

36–70

37–70

Median

59

60.5

KPS score range

60–90

60–90

0.831

0.406

Weight loss

0.482

0.487

≥5%

11

10

<5%

12

13

Histological type

0.502

0.479

Small cell lung cancer

16

13

Non-small cell lung cancer

22

25

Brain metastasis numbers

0.220

0.896

1

12

11

2 ~ 3

7

6

>3

19

21

Diameter of brain metastasis

0.3 ~ 3.8

0.5 ~ 3.5

0.413

0.680

Mean diameter(cm)

1.95

1.94

0.965

0.335

Accompanied with extracranial metastasis

14

16

0.220

0.639

Brain metastasis only

24

22