Investigation of prognostic factors for skin sclerosis and lung function in Japanese patients with early systemic sclerosis:n a multicentre prospective observational study

摘要

Objective. To clarify the clinical course of SSc in Japanese patients with early-onset disease. It is well known that ethnic variations exist in the clinical features and severity of SSc. However, neither the clinical course nor prognostic factors have been thoroughly investigated in the Japanese population.