From: Prevalence, correlates and clinical usefulness of antibodies to RNA polymerase III in systemic sclerosis: a cross-sectional analysis of data from an Australian cohort
Variable c
Odds ratio
95% confidence interval
P value
Anti-RNA polymerase III antibodies
4.2
1.3 to 13.4
0.01
Age of onset of systemic sclerosis
1.10
1.05 to 1.16
0.0002
Smoker
NS
Immunosuppressives
Diffuse subtype