Table 1. Group characteristics.

Characteristics	Sjögren’s syndrome	Control group
Number of persons	11	11
Age (years)	59.3 ± 11.1	54.1 ± 6.1
Body mass (kg)	66.4 ± 13.2	67.2 ± 9.8
Body height (cm)	160.1 ± 7.7	160.6 ± 6.0
Persons with allergies	3	4
Last meal (hours before OCT)	4.3 ± 3.8	4.6 ± 3.9

*Data for age, body mass, body height and time since last meal are presented as mean ± standard deviation.