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Sjögren’s syndrome: a population based study of prevalence in Greece. The ESORDIG study
  1. P I Trontzas1,
  2. A A Andrianakos2
  1. 1Rheumatology Department, 3rd IKA Hospital, Athens, Greece
  2. 2Rheumatic Disease Epidemiology Section, Hellenic Foundation for Rheumatological Research, Athens, Greece
  1. Correspondence to:
    Dr P I Trontzas
    Plastira 72, Nea Smirni, 171 21 Athens, Greece; pantronotenet.gr

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Primary Sjögren’s syndrome (pSS) is a chronic autoimmune disease characterised by lymphocytic infiltration of the exocrine glands, presenting chiefly with keratoconjunctivitis sicca and xerostomia. Estimates of the prevalence of pSS have varied widely among population based surveys, partly because of the different classification criteria used and partly because of methodological differences. We previously reported the prevalence of pSS as 0.15%, in the ESORDIG study,1 and we now report more detailed information about these patients and compare our findings with those from other studies.

The ESORDIG study was a cross sectional epidemiological study of the rheumatic diseases in Greece (target the adult white population: 10 647 residents; fig 1). The preliminary European (EU) criteria for the classification of pSS were used.2 Subjects who …

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