Table 1 Demographic data of the two SjD cohorts

Age, years (mean ± SD)

58.1 ± 12.6

59.9 ± 13.7

p > 0.05

Sex (female, n (%))

28 (90.3)

97 (94.2)

p > 0.05

Disease duration, years (mean ± SD)

6.9 ± 5.7

6.3 ± 5.3

p > 0.05

ESSDAI (median [min, max])

4 [0–14]

4 [0–15]

p > 0.05

ESSPRI (median [min, max])

4.0 [0.3-9]

4.3 [0.3–9.7]

p > 0.05

PSS-QoL (median [min, max])

28 [6–69]

33 [6–72]

p > 0.05

Sicca-duration before diagnosis, years (mean ± SD)

12.4 ± 7.8

11.6 ± 6.7

p > 0.05