mRSS, modified Rodnan skin score; PAH, pulmonary arterial hypertension; ILD, interstitial lung disease; GIS, gastrointestinal system; DU, digital ulcer; SRC, scleroderma renal crisis; ANA, antinuclear antibody; ACA, anticentromere; RNAPIII, RNA polymerase III
Table 2 . The association of the common SSc specific autoantibodies and clinical features