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Table 1 Demographic and clinical features of 141 patients with primary Sjögren syndrome

From: Anti-cyclic citrullinated peptide antibodies in primary Sjögren syndrome may be associated with non-erosive synovitis

 

Number

Percentage

Females/Males

114/27

80.9/19.1

Age (range), years

48 (39–60)

 

Median disease duration (IQR), years

2.49 (0.98–6.12)

 

Synovitis (objective swelling)

44

31.2

Extra-glandular involvement (skin, lung, kidney, or vasculitis)

81

57.4

Median erythrocyte sedimentation rate (IQR), mm/1st hour

27 (17–38)

 

Median C-reactive protein (IQR), mg/dL

0.57 (0.31–0.9)

 

Rheumatoid factor

94

66.7

Anti-CCP antibodies

14

9.9

Anti-nuclear antibodies

134

95

Anti-La (SSB) antibodies

55

39.1

Anti-Ro (SSA) antibodies

115

81.6

Focus score of greater than 1

94

67.1

  1. Demographic characteristics and continuous data are expressed as median (interquartile range, IQR). Categorical data are expressed as absolute frequency and percentage. Anti-CCP, cyclic citrullinated peptide antibody.