Table 2.

Ultrasonographic parameters assessed in pSS patients and controls.

Parameter	pSS patients	Controls	p
SGUS score	26.90 ± 5.94	5.62 ± 1.28	<0.0001
RI	0.73 ± 0.01	0.81 ± 0.02	<0.0001
Parotid SWV (m/sec)	2.98 ± 0.53	1.83 ± 0.07	<0.0001
Submandibular SWV (m/sec)	2.63 ± 0.59	1.89 ± 0.04	<0.0001