Reprinted from Calabress LH, Michel BA, Bloch DA, et al. The American College of Rheumatology 1990 criteria for the classification of hypersensitivity vasculitis. Arthritis Rheum, 1990, 33: 1108-1113.

• 在分类诊断时，符合上述五条标准中的至少三条可诊断为超敏性血管炎，按此标准诊断的敏感性是71.；0%25，特异性是83