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.