Table III.

Univariate analysis

Parameter	Univariate analysis
	odds ratio (OR)(95% CI)	p
ESR [mm/h]	1.04 (1.01–1.07)	0.010
WBC [103/mm³]	0.97 (0.81–1.17)	0.780
RF [IU/ml]	1.02 (1.00–1.03)	0.011
Gammaglobulins > 1.35 [g/dl]	1.747 (1.162–2.626)	0.007
lnANA	3.681 (2.226–6.087)	< 0.001
Anti-SS-A	2.782 (1.905–4.063)	< 0.001
Anti-SS-B	2.439 (1.423–4.179)	0.001
Schirmer test (mean) [mm]	0.903 (0.858–0.949)	< 0.001
OSS	1.621 (1.150–2.285)	0.006