Table 3 Summary of sample information

Age, year, mean ± SD

62.8 ± 11.1

62.8 ± 7.8

43.9 ± 11.8

 Male

11 (45.8%)

7 (70.0%)

15 (71.4%)

 Female

13 (54.2%)

3 (30.0%)

6 (28.6%)

 Diabetes (%)

8 (33.3%)

5 (50.0%)

1 (4.8%)

 Hypertension (%)

12 (50.0%)

3 (30.0%)

1 (4.8%)

 Smoking (%)

4 (16.7%)

5 (50%)

0 (0.0%)

 BMI, kg/m², mean ± SD

21.7 ± 2.9

23.2 ± 3.9

23.8 ± 3.8

 CA19–9, U/ml, mean ± SD

3444.5 ± 6543.2

807.1 ± 1457.9

7.9 ± 6.9

 Tumor size, mm, mean ± SD

31.2 ± 11.1

34.2 ± 26.5

n/a

 I

2 (8.3%)

2 (20.0%)

n/a

 II

9 (37.5%)

3 (60.0%)

n/a

 III

0 (0.0%)

1 (10.0%)

n/a

 IV

13 (54.2%)

4 (40.0%)

n/a

 Recurrence after surgery (%)

4/11 (36.4%)

7/8 (87.5%)

n/a

 DFS, median (range)

10.5 (3.1–46.8)

15.9 (2.1–44.1)

n/a

 OS, month, median (range)

15.2 (3.7–56.8)

21.7 (2.8–44.7)

n/a