ASL , RF,CRP and ESR were assessed by BN ProSpec . ASL increased in patients with rheumatic arthritis ,RF increased in patients with RA.

• 同时检测病人组抗A组溶血性链球菌抗体(ASL)、类风湿因子、急性时象反应蛋白(CRP)和血沉(ESR),结果证实风湿性关节炎病人存在链球菌感染,绝大多数病人ASL明显增高,急性期病人血沉明显加快,CRP增高;