Table 1 Patient’s and volunteer’s characteristics
All SLE (n = 73) | pSS (n = 23) | HV (n = 23) | p value§ | |
|---|---|---|---|---|
Age, median (IQR) years | 43 (34–57) | 44 (33–58) | 34 (22–49) | 0.44 |
Female sex (%) | 65 (89) | 21 (91) | 20 (87) | 0.89 |
Caucasian, no. (%) | 56 (77) | 19 (83) | 20 (87) | 0.53 |
Higher education*, no./total (%) | 30/59 (51) | 10/22 (45) | 10/23 (43) | 0.80 |
Active smoker, no. (%) | 17 (23) | 4 (17) | 8 (35) | 0.37 |
Body mass index, median (IQR) | 23 (20–28) | 25 (22–28) | 22 (20–24) | 0.48 |
Use of psychiatric medication£, no. (%) | 14 (19) | 8 (34) | 3 (13) | 0.16 |
Time from diagnosis, median (IQR) years | 7 (3–15) | 1 (0–2) | – | < 0.01 |
Immunomodulators past month, no. (%) | 64 (88) | 16 (70) | – | 0.04 |
Antimalarials, no. (%) | 52 (71) | 14 (61) | – | 0.35 |
Systemic corticosteroids, no. (%) | 39 (53) | 5 (22) | – | 0.01 |
Immunosuppressants, no (%) | 35 (48) | 5 (22) | – | 0.03 |