Table 4.

Clinical characteristics at baseline (initial evaluation) and at re-evaluation 3 years later

	Baseline (initial evaluation)	3 years later (re-evaluation)	p value
(a) SS group (n = 23)
OHIP-14 score (out of 56)	10.2 ± 8.8 (n = 22)	12.6 ± 9.2 (n = 22)	0.040
Salivary flow rate (mL/10 min)	8.1 ± 5.3	7.4 ± 5.1	0.149
Salivary EGF output (pg/10 min)	10,158.4 ± 9820.9	8352.8 ± 7813.3	0.032
(b) Non-SS group (n = 14)
OHIP-14 score (out of 56)	9.1 ± 6.8	10.7 ± 9.4	0.169
Salivary flow rate (mL/10 min)	16.8 ± 6.7	16.7 ± 6.0	0.628
Salivary EGF output (pg/10 min)	13,623.1 ± 9546.2	11,904.9 ± 6995.4	0.184

Mean ± SD

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