在讨论雷诺现象患者的鉴定之前，先简单复述一下原发和继发雷诺现象的定义和临床特征。
Prior to discussing the evaluation of the patient with RP, it is helpful to first briefly review the definition and clinical characteristics of the primary and secondary forms of the disorder.
无雷诺现象的系统性硬化患者NO水平明显高于无雷诺现象的系统性红斑狼疮患者（P<0.01）；
The NO levels of SSc without RP are significantly higher than those of SLE without RP(p<0.01);
无雷诺现象的系统性硬化患者NO水平明显高于无雷诺现象的系统性红斑狼疮患者（P<0.01）；
The NO levels of SSc without RP are significantly higher than those of SLE without RP(p<0.01);
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