Frequency of liver metastases in 82 patients with endocrine tumours of the duodenopancreatic area, according to selected variables
| Variable | n | Liver metastases No (%) | p Value5-150 |
| Primary tumour size | |||
| < 3 cm | 34 | 12 (35.5) | 0.001 |
| ⩾ 3 cm | 48 | 37 (77) | |
| Functioning tumour | |||
| Yes | 40 | 19 (47.5) | 0.043 |
| No | 42 | 30 (71.5) | |
| Lymph node metastases | |||
| Yes | 52 | 38 (73) | 0.001 |
| No | 30 | 11 (36.5) | |
| Other metastases | |||
| Yes | 15 | 14 (93.5) | 0.003 |
| No | 67 | 35 (52) | |
| Local involvement of tumour | |||
| Yes | 26 | 24 (92.5) | 0.001 |
| No | 56 | 25 (44.5) | |
| Cell differentiation of tumour | |||
| Good | 64 | 38 (59.5) | 0.086 |
| Poor | 9 | 8 (89) |
↵5-150 The p value was calculated by χ2 test.