Table 2 Univariate analysis of factors affecting recurrence within 1 year after curative pancreatectomy for RPC

Age

0.6209

 ≥65

25 (78.1%)

42 (72.4%)

 <65

7 (21.9%)

16 (27.6%)

Sex

0.3859

 Male

17 (53.1%)

25 (43.1%)

 Female

15 (46.9%)

33 (56.9%)

BMI

0.86

 <17

3 (9.4%)

4 (6.9%)

 18–25

24 (75%)

43 (74.1%)

 >25

5 (15.6%)

11 (19%)

Location

0.27

 Head

12 (37.5%)

30 (51.7%)

 Body-tail

20 (62.5%)

28 (48.3%)

Tumor size^a

1

 ≥25 mm

19 (56.4%)

34 (58.6%)

 <25 mm

13 (43.6%)

24 (41.4%)

Histological grade

0.0158

 G2–G4

31 (96.9%)

45 (77.6%)

 G1

1 (3.1%)

13 (22.4%)

Preoperative SPan-1^a

0.0038

 ≥35

24 (75%)

24 (41.4%)

 <35

8 (25%)

34 (58.6%)

Preoperative CA19-9^a

0.0011

 ≥529

16 (50%)

9 (15.5%)

 <529

16 (50%)

49 (84.5%)

Preoperative CEA^a

0.1616

 ≥2.4

19 (56.4%)

43 (74.1%)

 <2.4

13 (43.6%)

15 (25.9%)

Preoperative Alb

0.381

 ≥3.5

25 (78.1%)

50 (86.2%)

 <3.5

7 (21.9%)

8 (13.8%)

Preoperative WBC^a

0.1868

 ≥5400

19 (59.4%)

25 (43.1%)

 <5400

13 (40.6%)

33 (56.9%)

Preoperative lymphocyte^a

0.3192

 ≥1023

26 (81.3%)

40 (69.0%)

 <1023

6 (18.7%)

18 (31.0%)

Preoperative CRP^a

0.7401

 ≥2.39

3 (9.4%)

8 (13.8%)

 <2.39

29 (90.6%)

50 (86.2%)

mGPS

0.4168

 1–2

8 (25%)

10 (17.2%)

 0

24 (75%)

48 (82.8%)

Adjuvant therapy

0.4251

 Yes

27 (84.4%)

44 (75.9%)

 No

5 (15.6%)

14 (24.1%)