Table 3.

Clinical characteristics of the SS and non-SS groups. Classification of the SS group by oral health-related quality of life (OHIP-14 score)

	SS: severe (≥ 14) (n = 14)	SS: mild (≤ 13) (n = 21)	Non-SS (n = 23)
Age (years)	61.5 ± 10.4*	52.7 ± 14.0	56.1 ± 17.4
Disease duration (years)	7.2 ± 3.7 (n = 9)	4.9 ± 3.6 (n = 13)	–
Salivary flow rate (mL/10 min)	6.9 ± 4.2†	9.3 ± 4.4†	16.9 ± 5.9

Mean ± SD

SS Sjögren’s syndrome, OHIP-14 Oral Health Impact Profile-14

*p < 0.05 versus the mild (≤ 13) group, ^†p < 0.0001 versus the non-SS group