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Table 2 Clinical characteristics of patients with Blastocystis sp. infection attended in Vall d’Hebron University Hospital, Barcelona (2009–2014)

From: Epidemiological and clinical profile of adult patients with Blastocystis sp. infection in Barcelona, Spain

Characteristics Number of patients (%) (n = 418)
Presence of immunosuppression 66 (15.8)
 HIV infection 43 (10.3)
 Oncohaematological disease 11 (2.6)
 Rheumatological disease 6 (1.4)
 Other immunosuppressant conditions 6 (1.4)
Clinical groups according presence of symptoms
 Asymptomatic patients 234 (56)
 Symptomatic patients 92 (22)
 Symptomatic patients with other possible explanation 92 (22)
Symptoms among symptomatic patients (n = 92)a
 Duration of symptoms  
  < 1 month 32 (34.8)
  > 1 month 60 (65.2)
 Diarrhea 61 (66.3)
 Abdominal pain 34 (37)
 Dyspepsia 16 (17.4)
 Flatulence 16 (17.4)
 Nausea/Vomiting 15 (16.3)
 Abdominal distension 13 (14.1)
 Pyrosis 4 (4.3)
 Cutaneous manifestations 9 (9.8)
  1. aExcluding symptomatic patients with other possible explanations