Table 1.

Demographic data and clinical characteristics of subjects in the study.

Characteristics	SS patients	Healthy control
Total	60	20
Age at study mean (SD) years	47	46
Female sex	57 (95%)	19 (95%)
PBC (primary biliary cirrhosis)	2 (3.3%)	—
AIH (autoimmune hepatitis)	4 (6.7%)	—
ILD (interstitial lung disease)	5 (8.3%)	—
RTA (renal tubular acidosis)	2 (3.3%)	—
Hypothyroidism	4 (6.7%)	—