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Ann Rheum Dis:系统性红斑狼疮缓解的不同定义

2020-04-24 xiangting MedSci原创

cSLEDAI=0是最容易获得的缓解定义,在中短期的随访中其预测损伤进展的性能最佳。

目前通过联合使用“临床SLE疾病活动性指数(cSLEDAI)=0”、“医师整体评估(PGA)<0.5”和“泼尼松(PDN)≤5mg/天”来定义系统性红斑狼疮(SLE)的缓解。这项研究探讨了单独或联合使用这些项目在定义缓解和预测SLICC/ACR损伤指数方面的表现。

研究人员在随访≥5年的SLE患者中测试了缓解的7个潜在定义:PDN≤5mg/天;PGA<0.5;cSLEDAI=0;PGA<0.5加上PDN≤5mg/天;cSLEDAI=0 加上PGA<0.5;cSLEDAI=0加上PDN≤5mg/天;cSLEDAI=0加上PDN≤5mg/天加上PGA<0.5。通过泊松回归分析评估了这些定义对损伤的影响。最佳性能被定义为赤池和贝叶斯信息准则最低(AIC和BIC)。计算了确定无损伤增加的阳性和阴性预测值。

纳入了646例患者(平均病程±SD 9.2±6.9​​年)。在多因素分析中,根据所有定义连续≥2年缓解则提示无损伤(OR,95%CI:PGA<0.5 0.631,0.444-0.896;cSLEDAI=0  0.531,0.371-0.759;PGA<0.5加上PDN≤5mg/天 0.554,0.381-0.805;cSLEDAI=0加上PGA<0.5 0.574,0.400-0.826;cSLEDAI=0加上PDN≤5mg/天 0.543,0.376-0.785;cSLEDAI=0加上PDN≤5mg/天加上PGA<0.5 0.532,0.363-0.781。p均<0.01),但PDN≤5mg/天则需要连续4年(OR 0.534,95%CI 0.325-0.877,p=0.013)。阳性和阴性预测值相似;但是,cSLEDAI=0的性能最佳(AIC 1082.90,BIC 1109.72,p<0.0001)。cSLEDAI=0加上PGA<0.5和/或PDN≤5mg/天使得缓解时间减少(分别为每位患者-1.8和-1.5年),但不提升cSLEDAI=0预测损伤的性能。

cSLEDAI=0是最容易获得的缓解定义,在中短期的随访中其预测损伤进展的性能最佳。

原始出处:

Francesca Saccon. Remission in systemic lupus erythematosus: testing different definitions in a large multicentre cohort. Ann Rheum Dis. April 2020.

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    2020-09-28 cmj8wellington
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    2020-04-26 zhouqu_8

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