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Table 1 Characteristics of 57 patients with primary SS and 25 healthy volunteers (HV)

From: Clinical features of Sjögren’s syndrome patients with autoantibodies against interferons

  SS (n = 57) HV (n = 25)
Age, years (mean, ± SD) 53 (± 13) 48 (± 14)
Percent female 83% 60%
Unstimulated salivary flow, ml/15 min (mean, ± SD) 1.30 (± 2.30) 3.39 (± 3.39)
Focus scorea (mean, ± SD) 4 (± 4) 0 (± 1)
Schirmer’s test, mm/5 min (mean + SD) 5 (± 7) 14 (± 11)
Percent anti-Ro52 and anti-Ro60 seropositive 65% 0%
  1. aMinor salivary gland biopsy and focus score data was available for all subjects. A focus score of 1 or greater is needed to show histopathological evidence of Sjögren’s Syndrome