Low Complement C3 Levels at Diagnosis of ANCA-Associated Glomerulonephritis, a Specific Subset of Patients to Target With Anti-C5aR Therapy?: In response to: Hypocomplementemia at Diagnosis of Pauci-immune Glomerulonephritis Is Associated with Advanced Histopathological Activity Index and High Probability of Treatment Resistance (Lionaki et al., Kidney International Reports, June 2021, DOI: 10.1016/j.ekir.2021.05.043)

ANCA相关性肾小球肾炎诊断时补体C3水平低，是否是抗C5aR治疗的特定靶向患者亚群？：回应：少免疫型肾小球肾炎诊断时补体血症与组织病理学活动指数升高和治疗抵抗概率高相关（Lionaki等人，《肾脏国际报告》，2021年6月，DOI：10.1016/j.ekir.2021.05.043）