Table 1.

Clinical Characteristics of Patients with Salivary Gland Origin

	Total	Non-pSS	pSS
Patients (n)	50	25	25
Female (n[%])	46[92]	21[84]	25[100]
Age (yr)	51.34±14.83	50.00±12.84	52.89±17.07
FS+ (n[%])	22[44]	1[4]	21[84]
ANA+ (n[%])	37[74]	12[48]	25[100]
SSA+ (n[%])	19[38]	0[0]	19[76]
SSB+ (n[%])	8[16]	0[0]	8[32]
RF+ (n[%])	19[38]	3[12]	16[64]
Acinar atrophy	26[52]	9[36]	17[68]

Abbreviations: FS+, focus score >1; ANA+, antinuclear antibody positive; SSA, anti-SSA antibodies; SSB, anti-SSB antibodies; RF, rheumatoid factor.