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Table 3 Previous medical history among patients who reported chronic fatigue 3 years after giardiasis, associated with fatigue categories 5 years after the infection

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

Previous history All cases Gxiardia induced CFS/ICF Chronic fatigue other aetiology Recovered from fatigue
  N = 53 N = 29 N = 13 N = 11
Fatigue score at 3 years mean, range (SD) 23, 15–33 (5.80) 25, 15–33 (5.20) 21, 15–32 (6.02) 18, 15–22 (1.86)
Fatigue before giardiasis, induced by     
 Mononucleosis 1 1 - -
Chlamydia psittachi 1 2 - 1 1
Yersinia enterocolitica 1 1 - 1 -
 Undefined 1 1 - -
Infections with reported potential to induce fatigue     
 Borreliosis 2 0 2 -
 Mononucleosis 7 3 3 1
 Dengue infection 1 1 - -
Previous diagnoses     
 Sleep apnoea2 1 1 - -
 Whip lash trauma 6 3 - 3
 Musculoskeletal3 7 3 4 -
 Thyreoiditis 1 1 - -
 Silicon breast implant 1 1 - -
 Meningitis 1 1 - -
 Pneumonia4 3 1 1 1
 Pyelonephritis 1 1 - -
 Tonsillectomy 1 - - 1
 Cervical dysplasia 3 3 - -
 Syncope 2 1 1 -
 Adipositas surgery 2 1 1 -
 Severe abdominal diagn5 11 3 6 2
 Infectious gastroenteritis 7 2 3 2
 Irritable bowel syndrome 3 2 - 1
 Cancer6 2 - 2 -
 Depression 19 11 6 2
 Anxiety disorder 2 - 1 1
 Alcohol overuse 1 - 1 -
  1. Data are presented as number of cases (n) if not other stated. Each patient may have more than one diagnosis.
  2. 1One patient had had fatigue after both Yersinia and Chlamydia infection.
  3. 2Recovered after adipositas surgery.
  4. 3Including the following diagnoses: Polyarthrosis, chronic single or multiple joint pain, fibromyalgia, cervical prolaps.
  5. 4Two patients had pneumonia due to Chlamydia psittachi.
  6. 5Including the following: Acute abdomen leading to hospitalisation; ulcus ventriculi or duodeni; inflammatory bowel disease; cholecysteoctomised; cholecystitis; cholecystolithiasis; appendicitis; faecal incontinence following haemorrhoid operation.
  7. 6Cancer ovarii; cancer mamma.