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

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

-