Reprinted from Arend WP, Michel BA, Bloch DA, et al. The American College of Rheumatology 1990 criteria for the classification of Takayasu arteritis. Arthritis Rheum, 1990, 33: 1129-1132.

• a在分类诊断时，符合上述六条标准中的至少三条可诊断为大动脉炎，按此标准诊断的敏感性是90.；5%25，特异性是97