Table 4.
Postoperative complications after MIS and conventional surgery in benign insulinoma
| Parameter | MIS total cohort (n = 18) |
Open total cohort (n = 39) |
P value | MIS enuc. (n = 10) |
Open enuc. (n = 21) |
P value | MIS DPR (n = 6) |
Open DPR (n = 7) |
P value |
|---|---|---|---|---|---|---|---|---|---|
| Clavien-Dindo ≥ 3 | 3 (17%) | 11 (28%) | 0.511b | 1 (10%) | 5 (24%) | 0.634b | 2 (33%) | 2 (29%) | 1.000b |
| POPF | |||||||||
| Grade B | 2 (11%) | 3 (8%) | 0.646 | 1 (10%) | 2 (9%) | 1.000 | 1 (17%) | 0 | 0.462 |
| Grade C | 0 | 2 (5%) | 1.000 | 0 | 1 (5%) | 1.000 | 0 | 0 | |
| Reoperation due to bleeding | 0 | 6 (15%) | 0.162b | 0 | 4 (19%) | 0.277 | 0 | 0 | |
| Intraabdominal abscess | 2 (11%) | 7 (18%) | 0.704 | 1 (10%) | 4 (19%) | 1.000b | 1 (17%) | 0 | 0.462b |
| Wound infection | 0 | 1 (3%) | 0 | 1 (5%) | 0 | 0 | |||
| Non-surgical complications (LAE etc.) | 1 (6%) | 4 (10%) | 1.000b | 0 | 0 | 1 (17%) | 2 (28%) | 1.000b | |
MIS minimally invasive surgery, DPR distal pancreatic resection, POPF postoperative pancreatic fistula, LAE pulmonary embolism
aMann-Whitney U test
bFisher’s exact test