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. 2013 Aug 8;7(8):e2333. doi: 10.1371/journal.pntd.0002333

Table 1. Main characteristics for 90 patients with amoebic liver abscess.

No. (%)
Sex ratio (M∶F) 3.5∶1
Age (years) ≤30 16 (18)
31–40 26 (29)
41–50 23 (26)
>50 25 (28)
Place of birth France 41 (46)
Africa 30 (33)
Other 11 (12)
unknown 8 (9)
Place of contamination Africa 50 (56)
Asia 17 (19)
Other 5 (5)
unknown 18 (20)
Patient profile European travellers ° 30 (33)
European Expatriates°° 8 (9)
Immigrants°°° 16 (18)
VFR°°°° 21 (23)
unknown 15 (17)
Clinical manifestation fever 82 (91)
abdominal pain 73 (81)
diarrhea 25 (28)
nausea/vomiting 18 (20)
jaundice 2 (2)
Laboratory Results WBC*>10000/mm3 69 (77)
haemoglobin<12 g/dL 34 (38)
CRP**>200 59 (25)
SGOT and/or SGPT>2N 25 (28)
bilirubin>1N 18 (20)
Number of abscesses 1 69 (77)
≥2 21 (23)
Lag time between return to Europe and onset ≤128 days 25 (28)
>128 days 25 (28)
unknown 40 (44)
Size of abscess (mm) ≤50 25 (28)
51–75 28 (31)
76–100 20 (22)
>100 13 (14)
unknown 4 (4)
Location of the absecss right liver 62 (69)
left liver 18 (20)
unknown 10 (11)
Complication pleural effusion 12 (13)
peritoneal effusion 3 (3)
biliary tract compression 6 (7)
biliary tract rupture 1 (1)
colectomy for amoeboma 1 (1)
portal thrombus 2 (2)
Percutaneous aspiration Yes 27 (30)
No 61 (68)
unknown 2 (2)

° : patients born and living in France who travelled to tropical areas °° : patients born in France living in an endemic region °°° : patients born in an endemic region and living in France who traveled back to their country to visit friends and relatives °°°° : patients born in an endemic region and living in France who did not return to their country since they immigrated * : White Blood Cells, ** C-Reactive Protein.