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Table 1 Clinical signs and symptoms among the 48 cases and symptoms in non-cases among Nordic patients and employees at a health centre (n = 91) in Gran Canaria, Spain, October – November, 2002.

From: Gastro-enteritis outbreak among Nordic patients with psoriasis in a health centre in Gran Canaria, Spain: a cohort study

Symptoms/attribute Number (percent of all cases) Median duration of symptoms in cases Number of non cases with symptoms
Diarrhoea 42 (88) 3 days 2
Blood seen in stool 2 (5*)   0
Vomiting 33 (69) 1 day 0
Nausea 34 (71) 2 days 9
Feeling feverish 12 (25)   3
Abdominal cramps 34 (71) 3 days 4
Headaches 14 (29) 2.5 day 3
General practition visit 24 (50)   1
Stool samples obtained 22 (6 of these after returning home)   0
Intravenous treatment 11 (23)   _
Ambulatory visit in hospital 5 (10)   _
Home from work 6 (13) 1 day _
  1. • Denominator is only those with diarrhoea (n = 42)