Portal vein thrombosis: Prevalence, patient characteristics and lifetime risk: A population study based on 23 796 consecutive autopsies

Table 2 Prevalence and relative risk (odds ratio) of PVT in relation to disease condition with major risk of PVT

Patient category	n (%)	PVT (%)	O.R. (95% C.I.)1		O.R. (95% C.I.)
				P value		P value
Cirrhosis	1193 (5.0)	72 (6.0)	7.9 (6.0 - 10.5)	< 0.001
with primary hepatic cancer	182	26 (14.3)	17.1 (11.1 - 26.4)	< 0.001	3.5 (2.1 - 5.8)	< 0.001
without primary hepatic cancer	1011	46 (4.5)	5.2 (3.7 - 7.2)	< 0.001	12
Primary hepatobiliary cancer	698 (2.9)	59 (8.5)	10.8 (8.0 - 14.7)	< 0.001
hepatic carcinoma	392	38 (9.7)	11.5 (8.0 - 16.5)	< 0.001
with cirrhosis	182	26 (14.3)	17.1 (11.1 - 26.4)	< 0.001	2.8 (1.3 - 5.6)	0.004
without cirrhosis	210	12 (5.7)	5.8 (3.2 - 10.6)	< 0.001	12
extrahepatic biliary / gall bladder carcinoma	313	21 (6.7)	7.2 (4.5 - 11.4)	< 0.001
Secondary hepatic malignancy
from all tumours	3446 (14.5)	113 (3.3)	4.9 (3.8 - 6.2)	< 0.001
from pancreatic carcinoma	312	36 (11.5)	13.9 (9.6 - 20.2)	< 0.001	5.2 (3.4 - 7.8) 3	< 0.001 3
gastric carcinoma	316	18 (5.7)	5.9 (3.6 - 9.7)	< 0.001	1.9 (1.2 - 3.2) 3	0.019 3
colorectal carcinoma	637	13 (2.0)	2.0 (1.1 - 3.5)	0.028	0.5 (0.3 - 1.0) 3	0.063 3
Myeloproliferative disorders	231 (1.0)	7 (3.0)	3.0 (1.4 - 6.3)	0.012
All patients	23796 (100)	254 (1.0)

¹vs. all patients with absence of respective condition.

² reference category.

³vs. patients with liver metastatic disease from other cancer forms.