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Table 1 Epidemiological and clinical characteristics in 167 patients with imported loiasis

From: Imported loiasis in France: a retrospective analysis of 167 cases with comparison between sub-Saharan and non sub-Saharan African patients

  N%
Age[0–16]95.3
[16–59]13178.4
[60-]2716.1
SexFemale8349,7
Male8450.2
Ethnic groupSub-Saharan Africans13983,2
Non sub-Saharan Africansa2816.7
Country of acquisitionCameroon10462.2
Gabon2716.1
Congo-Brazzaville169.5
Central African Republic63.5
Othersb84.7
Undetermined63.8
Symptoms c,dItching7444.3
Calabar swelling5432,3
Subcutaneous oedema2917.3
Eyeworm3923.3
Other ocular symptoms2414.3
Subcutaneous worm migration84.7
No symptom4526.9
  1. aNon sub-Saharan African patients = Europeans (N = 26) and patients from North Africa (N = 2)
  2. bother countries: Benin, Ivory Coast, Equatorial Guinea, Mali, Rwanda, Democratic Republic of Congo
  3. ctotal percentage of different symptoms exceeds 100% as one patient may have presented several symptoms simultaneously
  4. dmain data from the 3 patients who reported non-endemic countries as countries of contamination (see discussion): Ivory Coast: VFR, itching, microfilaremia: 3/mL; Mali (South): VFR, stay of 3 months, itching, microfilaremia: 4/mL; Rwanda: VFR, subcutaneous oedema (ankle), serology + with specific arc at immunoelectrophoresis