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到目前为止,类风湿性关节炎尚缺少特异诊断方法。血的类风湿因子检查阳性率不高,据文献报导:血的类风湿因子在典型周围型类风湿患者中的阳性率为60～80％,在中枢型和青年患者中的阳性率较低,为20～40％。实际上,我们临床诊疗中发现,其阳性率远低于该值。因诊断中犹豫不决,故治疗上方向不明,有些类风湿关节炎患者,得不到及时和彻底系统治疗,病期延长,增加痛苦。
So far, rheumatoid arthritis is still lack of specific diagnostic methods. Blood rheumatoid factor test positive rate is not high, according to the literature reported: blood rheumatoid factor in the typical peripheral rheumatoid patients in the positive rate of 60 to 80%, in central and young patients in the positive rate is low, Is 20 to 40%. In fact, we found in clinical diagnosis and treatment, its positive rate far below this value. Due to the diagnosis of hesitation, so the treatment of the unknown direction, some patients with rheumatoid arthritis, access to timely and thorough systematic treatment, duration of illness, increase pain.