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Table 2 Demographic characteristics and comorbidity among patients reporting chronic fatigue following giardiasis, associated with fatigue category five years after the infection

From: Chronic fatigue syndrome 5 years after giardiasis: differential diagnoses, characteristics and natural course

Characteristics All cases Giardia induced CFS/ICF Chronic fatigue other aetiology Recovered from fatigue
  N = 53 N = 29 N = 13 N = 11
Age, mean (SD) 43.5 (11.29) 44.4 (9.04) 47.9 (14.97) 35.9 (8.68)
Gender     
 Female 41 23 12 6
 Male 12 6 1 5
On sick leave 1     
 Yes 19 15 4 -
 No 34 14 9 -
Daily smoker     
 Yes 11 8 2 1
 No 42 21 11 10
BMI 2 , mean (SD) 25.6 (4.95) 24.5 (3.06) 28.34 (8.29) 25.5 (3.43)
Alcohol consumption 3(u/m)     
mean (SD) 10.5 (10.18) 10.9 (11.04) 9.46 (9.40) 10.7 (9.68)
Somatic comorbidity     
 Abdominal problems 45 23 13 9
 IBS Rome II 31 17 7 6
 Pregnancy 1 1 - -
 Asthma 11 4 5 2
 Allergy 31 14 11 6
 Diabetes type 2 2 - 2 -
 Hypothyreosis 2 1 1 -
 Myasthenia gravis 1 - 1 -
 Epilepsy 1 1 - -
 Migraine 12 9 3 -
 Psoriasis 3 1 2 -
 Hypertension 3 1 2 -
 Hypercholesterolemia 2 - 2 -
 IgA nephritis 1 1 - -
Psychiatric comorbidity     
 Agarophobia 1 1 - -
 Dysthymia 3 2 1 -
  1. Data are presented as number of cases (n), if not other stated. Each patient may have more than one diagnosis.
  2. Abbreviations: CFS, Chronic Fatigue Syndrom; SD, standard deviation; BMI, body mass index; IgA, immunoglobuline A.
  3. 1Sick leave range; 20, 50, 60, 70 and 100%, grouped together.
  4. 2Missing values (excluded), 5.
  5. 3Missing values (excluded), 2.