Table 1 Patient characteristics of tumors and treatment

Number of patients

23

14

Age (median, range [years])

70 (53–83)

72.5 (48–86)

0.61

Gender (male/female)

15/8

6/8

0.31

PS (0/1/2)

13/9/1

10/4/0

Tumor location (head/body-tail)

9/14

10/4

0.091

Pretreatment CA19-9[U/ml]

298 (8.7–2368)

280 (6.1–2715)

0.96

GTV (median, range[cm³])

31.46 (10.8–89.6)

21.65 (2.4–86.5)

0.11

PTV (median, range[cm³])

212.6 (146.2–483.4)

193 (129.4–452.3)

0.38

Overlap^* (median, range[cm³])

43.8 (12.4–105.2)

33.8 (9.7–85.4)

0.067

Induction Chemo-regimen (GEM/S1/ mFOLFIRINOX/GnP)

12/2/3/6

7/2/0/5

Concurrent Chemo-regimen (GEM/S1)

19/4

12/2

1

PPI prescription^**

21

14

0.51

NSAIDs prescription ^***

3

2

1