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%,特异性是97.8%。
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.