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Table 3 Distribution of factors during Giardia infection among 1017 cases in Bergen, Norway in 2004, reported two years later.

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

Factors during Giardiainfection Cases (%)
Symptoms  
   Diarrhoea 904 (89)
   Malaise 761 (75)
   Abdominal pain 689 (68)
   Bloating 657 (65)
   Nausea 647 (64)
   Foul smell 612 (60)
   Weight loss 539 (53)
   None of these symptoms 15 (2)
Duration of abdominal symptoms  
   < 4 weeks 185 (18)
   1-3 months 193 (19)
   4-6 months 88 (9)
   7-18 months 62 (6)
Number of treatment courses  
   0 13 (1)
   1 348 (34)
   2 or more 153 (15)
   Recovered during treatment but relapsed 84 (8)
Duration of sick leave (n = 722) a  
   No sick leave 394 (54)
   < 1 week 62 (9)
   1-2 weeks 110 (15)
   > 2 weeks 157 (22)
Delayed education (n = 460) b  
   No delay 311 (68)
   < 1 semester 69 (15)
   1 semester 44 (10)
   > 1 semester 36 (8)
  1. a Percent of persons estimated to be working (n = 722).
  2. b Percent of persons estimated to be students (n = 460).