Incidence and Survival of Patients with Small Intestinal Neuroendocrine Tumours in a Danish NET Center

Table 2

Tumour characteristics.

	Group 1	Group 2	𝑃 value
Primary tumour size (mm)	30.7	25.2	0.60
Ki67 index	2% (1–7)	2% (1–80)	0.647
Metastases at referral:
(i) liver metastases	55.8% (29/52)	44.0% (48/109)	0.18
(ii) carcinomatosis	28.8% (15/52)	9.2% (10/109)	0.02
(iii) lymph node metastases	25.0% (13/52)	43.1% (47/109)	0.036
(iv) bone metastases	5.8% (3/52)	2.8% (3/109)	0.389
(v) other metastases	5.8% (3/52)	7.3% (8/109)	1.0
Biochemical tumour markers (median (range)):
(i) CgA level (pmol/L), (normal range: 30–130 pmol/L)	8709 (66–135500)	2381 (47–46500)	0.107
(ii) urine 5-HIAA (μmol/day) (normal range 10–40 μmol/day)	425 (20–3210)	212 (10–1590)	0.004