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Table 2 Symptoms two years after Giardia infection in Bergen, Norway in 2004, among 1017 respondents to a questionnaire.

From: Severity of Giardiainfection associated with post-infectious fatigue and abdominal symptoms two years after

Symptoms

Casesa (%)

Symptom scoreb

  

Mean ± SEMc

Median

Fatigue

   

   Less or same as usual

511 (50)

  

   More than usual

306 (30)

  

   Much more than usual

113 (11)

  

Abdominal symptoms

   

   No

360 (35)

  

   Unsure

228 (22)

  

   Yes

389 (38)

  

Bloating

475 (47)

4.57 ± 0.13

5.00

Diarrhoea

467 (46)

3.80 ± 0.12

3.74

Abdominal pain

442 (43)

3.64 ± 0.13

3.00

Nausea

416 (41)

2.23 ± 0.12

2.00

Reduced appetite

398 (39)

1.60 ± 0.12

0.67

Constipation

398 (39)

1.57 ± 0.12

0.66

  1. a Number of persons reporting the symptoms. Percent of respondents (n = 1017).
  2. b Symptoms scored from 0 (no symptoms) to 10 (severe symptoms).
  3. c Standard error of the mean.
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BMC Infectious Diseases

ISSN: 1471-2334

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