Clinical and epidemiological characteristics of pyogenic liver abscess in people 65 years or older versus people under 65: a retrospective study

Table 1 Main epidemiological and clinical characteristics of patients aged <65 years and ≥65 years with liver abscess

Variables	Total		Aged <65 years		Aged ≥65 years		Odds ratio (95% CI)	p-value
	N	%	N	%	N	%
Sex
Male	61	82.2	36	90	25	43.1	1
Female	37	37.8	4	10	33	56.9	11.9 (3.7, 37.7)	<0.001
Clinical characteristics
Fever	69	70.4	31	77.5	38	65.5	0.6 (0.2, 1.4)	0.2
Abdominal pain	37	37.9	26	65.0	35	60.3	0.8 (0.4, 1.9)	0.6
Jaundice	27	72.4	10	25.0	17	29.3	1.2 (0.5, 3.1)	0.6
Sepsis	18	18.4	3	7.5	15	25.9	4.3 (1.2, 16)	0.02
Underlying condition
Cholelithiasis	28	28.6	5	12.5	23	39.7	4.6 (1.6, 13.5)	0.003
Chronic liver disease ^a	15	15.3	11	27.5	4	6.9	0.2 (0.06, 0.7)	0.005
Neoplasm ^c	13	13.3	3	7.5	10	17.2	2.6 (0.7, 10.0)	0.2
Transplant recipient^b	5	5.1	5	12.5	0	0	N.A	0.01
Inflammatory bowel disease	5	5.1	4	10.0	1	1.7	0.2 (0.01, 1.5)	0.2
Origin
Biliary	43	43.9	9	22.5	34	58.6	4.9 (2.0, 12.1)	<0.001
Cryptogenic	40	40.8	27	67.5	13	22.4	0.1 (0.05, 0.3)	<0.001
Contiguous	6	6.1	2	5.0	4	6.9	1.4 (0.2, 8.0)	0.7
Traumatic	5	5.1	2	5.0	3	5.2	1.0 (0.2, 6.5)	1
Portal	3	3.1	0	0	3	5.2	NA	0.3
Arterial	1	1.0	0	0	1	1.7	NA	1

CI confidence intervals, NA not applicable
^a Chronic hepatopathy: alcoholic hepathopathy (n = 7), hepatitis C virus (n = 4); hepatic steatosis (n = 3); and cirrohosis (n = 1)
^b Transplant recipient*: 3 liver and 2 kidney
^c Type of neoplasm: hepatocarcinoma (n = 4), adenocarcinoma of pancreas (n = 3), neoplasms of kidney (n = 2), cholangiocarcinoma (n = 1), hepatic metastasis (n = 1), adenocarcinoma of colon (n = 1), adenocarcinoma of breast (n = 1)

ISSN: 1471-2318