Table 1.

Clinicopathological characteristics of 104 PanNET patients who underwent to surgery at MGH between 1995 and 2012.

	Median (IQR)	Number (%)
Gender
	Male	53 (51)
	Female	51 (49)
Age at surgery, year             55 (47–63)
Race
	Caucasian	90 (86)
	African American	6 (6)
	Hispanic	4 (4)
	Asian	3 (3)
	Other	1 (1)
CACI                     3 (1–5)
Functional
	Yes	9 (9)
	No	95 (91)
Tumor size, cm               2.8 (2.0–4.5)
WHO grade
	1	57 (55)
	2	47 (45)
Mitotic count /10HPF             0.2 (0.0–2.0)
Ki67 labeling index, %              2.0 (1.2–3.2)
T stage
	1	27 (26)
	2	59 (57)
	3	16 (15)
	4	2 (2)
Lymph node positivity
	Yes	18 (17)
	No	86 (83)
Clavien-Dindo grade (90 days)
	0-II	84 (81)
	III-V	20 (19)

IQR: interquartile range; CACI: Charlson Age Comorbidity Index; HPF: high-power field