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 a
Parameter estimate
Standard error
P value
Anti-topoisomerase antibodies
4.37
0.98
< 0.0001
Anti-RNA polymerase III antibodies
7.67
1.09
Joint contractures
8.47
0.81