Summary of baseline and clinical characteristics.

Continuous values are represented as mean ± standard deviation; dichotomous values are N (%). AKI: Acute Kidney Injury. ICU: Intensive Care Unit. SLE: Systemic Lupus Erythematosus. APS: Antiphospholipid Syndrome.Summary of baseline and clinical characteristics.连续变量以均值±标准差的形式呈现；二分类变量以N（%）形式报告。AKI：急性肾损伤（Acute Kidney Injury）；ICU：重症监护病房（Intensive Care Unit）；SLE：系统性红斑狼疮（Systemic Lupus Erythematosus）；APS：抗磷脂综合征（Antiphospholipid Syndrome）。基线与临床特征总结。