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Table 1 Basic characteristics and objective pSS classification items of the patients in the exploratory cohort

From: Difference in clinical presentation between women and men in incident primary Sjögren’s syndrome

  Women n = 186 % (frequency) Men n = 13 % (frequency) p value
Basic characteristics
 Sex 93% (186/199) 7% (13/199) <0.0001
 Age at diagnosis, years (mean ± SD) 56 ± 14 46 ± 12 0.01
Item III. Ocular signsa
 Schirmer’s test (≤5 mm in 5 min) 70% (129/185) 77% (10/13) 0.58
Item IV. Histopathologya
Minor salivary gland biopsya
 Performed 85% (158/185) 92% (12/13) 0.49
 Positive (focus score ≥1) 95% (149/157) 83% (10/12) 0.10
Item V. Salivary gland involvementa
 UWSFb 78% (145/186) 77% (10/13) 0.93
Item VI. Autoantibodiesa
 Positive (SSA and/or SSB) 55% (100/183) 54% (7/13) 0.96
 SSA positive 53% (97/184) 46% (6/13) 0.65
 SSB positive 30% (55/184) 33% (4/12) 0.80
  1. aAccording to the 2002 revised American–European Consensus Group criteria for Sjögren’s syndrome
  2. bUnstimulated whole salivary flow, ≤1.5 ml in 15 min
  3. Bold values indicate statistically significant findings (p < 0.05)