Table 1.

Baseline characteristics

Variable	Overall [n = 27]	Whipple/PPPD [n = 14]	TP [n = 13]
Age at surgery, years (median [range])	43.2 [27.5–75.3]	45.4 [29.5–62.5]	42.3 [27.5–75.3]
Sex
Male	14 (52)	6 (43)	8 (62)
Female	13 (48)	8 (57)	5 (38)
Surgery
Primary surgery	22 (81)	13 (93)	9 (69)
Reoperation	5 (19)	1 (7)	4 (31)
Surgical indication
NF-pNET	13 (48)	5 (36)	8 (62)
Insulinoma	2 (7)	0 (0)	2 (15)
Gastrinoma	4 (15)	3 (21)	1 (8)
NF-pNET and gastrinoma	8 (30)	6 (43)	2 (15)
ASA
1	2 (7)	1 (7)	1 (8)
2	21 (78)	12 (86)	9 (69)
3	4 (15)	1 (7)	3 (23)
Number of pNETs on preoperative imaging (CT, MRI, EUS, PET)
0	0 (0)	0 (0)	0 (0)
1	1 (4)	1 (8)	0 (0)
2	9 (33)	4 (31)	5 (39)
≥ 3	16 (60)	8 (62)	8 (62)
Size of the largest pNET pancreatic head, mm (median [range])	16.5 [3–42]	20 [3–42]	12 [3–40]
Size of the largest pNET pancreatic body/tail, mm (median [range])	15.5 [3–35]	14.5 [3–35]	18 [5–30]
Suspected lymph node metastases on imaging (CT, MRI, EUS, PET)	12 (44)	9 (64)	3 (23)
Type of resection
Whipple/PPPD	14 (52)	NA	NA
Whipple/PPPD plus distal pancreatectomya	5 (36)
Total pancreatectomy	13 (48)
Completion pancreatectomy	5 (38)
Period of surgery
2003–2010	9 (33)	4 (29)	5 (38)
2011–2017	18 (66)	10 (71)	8 (62)
Lymph node resection	22 (81)	13 (93)	9 (69)
Approach
Conventional	26 (96)	13 (93)	13 (100)
Robot-assisted	1 (4)	1 (7)	0 (0)

Data are expressed as n (%) unless otherwise specified

ASA American Society of Anesthesiology, CT computed tomography, EUS endoscopic ultrasonography, MRI magnetic resonance imaging, NA not applicable, NF-pNET non-functioning pancreatic neuroendocrine tumor, PET positron emission tomography, pNET pancreatic neuroendocrine tumor, PPPD pylorus-preserving pancreatoduodenectomy, TP total pancreatectomy

^aIn order to be classified as Whipple/PPPD plus distal pancreatectomy, a part of the pancreatic body or tail had to be left in situ