Table 1 Baseline characteristics of patients with pyogenic liver abscess

Age (years)

61.8 ± 13.5

Gender (male)

215 (57.8)

Comorbidities

Hypertension

135 (36.3)

Diabetes mellitus

155 (41.7)

Fatty liver

40 (10.8)

Cholelithiasis

92 (24.7)

Viral hepatitis

57 (15.3)

Malignancy

14 (3.8)

Cardiovascular diseases

70 (18.8)

Chronic renal insufficiency

27 (7.3)

Hepatic dysfunction

70 (18.8)

Gastrointestinal surgery history*

46 (12.4)

Clinical signs

Fever

323 (86.8)

Abdominal pain

162 (43.5)

Nausea

50 (13.4)

Vomiting

43 (11.6)

Frailty

62 (16.7)

Diarrhea

13 (3.5)

Abscess location

Left lobe

89 (24.0)

Right lobe

207 (55.6)

Multiple lesions

76 (20.4)

Microbiological etiology

Klebsiella pneumoniae

145 (38.9)

Escherichia coli

70 (18.8)

Enterococcus spp.

28 (7.5)

Streptococcus spp.

18 (4.8)

Others*

111 (29.8)

Development of the sepsis

80 (21.5)

Development of the septic shock

33 (8.9)

Hospital length of stay, days

14.2 ± 9.2

ICU admission

29 (7.8)

Metastatic infection

20 (5.4)

In-hospital mortality  (%)

9 (2.4)