post-ERCP pancreatitis (-) n = 26

post-ERCP pancreatitis (+) n = 12

P value

Operative procedure (PPPD/others)

20/6

4/8

0.034

Reconstruction of portal vein

3

4

0.113

Operation time (min)

446 ± 58

542 ± 133

0.004

Blood loss (ml)

1037 ± 779

2235 ± 2501

0.031

Blood transfusion

14

8

0.470

Diagnosis (pancreas cancer/others)

15/11

9/3

0.317

Postoperative Laboratory tests

White blood cell (/μl)

8797 ± 2769

9348 ± 3050

0.583

Serum amylase (IU/L)

137 ± 140

210 ± 259

0.266

C-reactive protein (mg/dl)

12.6 ± 5.5

16.5 ± 4.9

0.043

Removal of drainage tube (days)

16 ± 7

19 ± 13

0.333

Pancreatic fistula

5

3

0.738

Delayed gastric emptying

3

5

0.035

Hospital stay (days)

39 ± 12

39 ± 12

0.989