Figure legends:
Figure 1: Clinical characteristics of COVID-19 associated kidney injury. (A)Patients developing kidney injury after SARS CoV-2 infection; (B)Patients with aggravated renal insufficiency after SARS CoV-2 infection.
Figure 2: Pathological features of COVID-19 associated kidney injury. (A)Patients developing kidney injury after SARS CoV-2 infection; (B)Patients with aggravated renal insufficiency after SARS CoV-2 infection.
Figure 3: Renal Pathological changes in patients with COVID-19 associated kidney injury: (A) Patient with IgAN shows IgA+++ depositing in glomerulas (IF ×100); (B) Patient with IgAN shows segmental sclerosis and mild mesangial proliferation (PAS×200); (C): Patient with interstitial nephritis shows Interstitial inflammatory cell infiltration (HE ×200); (D) Patient with TMA shows arteriole intima edema and myxoid degeneration (HE ×200).
Figure4: Serum C3 and deposition of C3 in patients with COVID-19 associated kidney disease. (A) Serum C3 levels: normal: 0.70~1.40g/L; increase: >1.40g/L; decrease: <0.70g/L; (B) Intensity of C3 deposition by Immunofluorescence staining in renal tissue.
Table 1: (A) Renal Pathology Findings and Clinical Presentation of Patients in Group A; (B) Renal Pathology Findings and Clinical Presentation of Patients in Group B.