Table 1 Patient characteristics

No. lesions

24

48

No. patients

15

46

Age (years)

0.003

 Median

62

78

 Range

34–75

49–91

Gender

0.063

 Male

10

18

 Female

5

28

Smoker

0.019

 Smoker

9

41

 Non-smoker

6

5

Number of lesions per patient

0.0008

 1 lesion

9

44

 2 lesions

3

2

 3 lesions

3

0

Location

1

 Central

2

4

 Peripheral

22

44

Tumor size (cm)

< 0.0001

 Median

1

1.55

 Range

0.4–1.8

0.5–2.8

Pathology

–

 Adenocarcinoma

24

48

Dose

< 0.00001

 50 Gy/5 fx

1

0

 48 Gy/4 fx

5

39

 60 Gy/5 fx

18

9

Baseline SUV_max

< 0.0001

 Median

3.2

5

 Range

1.2–7.7

1.2–18.2

KRAS-mutation status

 Wild

10

–

 Mutation

11

–

 Unknown

3

–