Table 3. Logistic regression analysis of clinical features to interstitial lung disease in patients with systemic sclerosis.

	Univariate			Multivariate
	OR	95% CI	p	OR	95% CI	p
Duration	1,14	1.04-1.25	0.007*	NA
Anti-scleroderma 70 (+)	4,99	1.85-13.43	0.001*	15,65	4.59-52.79	<0.001*
Anti-centromere (+)	0,1	0.032-0.31	<0.001*	NA
White blood cells	1,00	1.00-1.00	0.012*	1,00	1.00-1.00	0,09
Platelet	1,01	1.00-1.01	0.01*	1,01	1.00-1.02	0.026*
Erythrocyte sedimentation rate	1,02	1.01-1.04	0.01*	1,02	1.0-1.04	0.037*
Digital ulcer	2,37	0.98-5.74	0,057	NA
Pulmonary hypertension	10,83	2.26-51.82	0.003*	21,97	2.9-166.41	0.003*
OR: Odds ratio; CI: Confidence interval; NA: Not available; * p-value <0.05.