REFERENCES
  1. Lu R, Zhao X, Li J et al (2020) Genomic characterisation and epidemiology of 2019 novel coronavirus: Implications for virus origins and receptor binding. Lancet 395: 565–574. https://doi.org/10.1016/S0140-6736(20)30251-8.
  2. Zhu N, Zhang D, Wang W et al (2020) China novel coronavirus investigating and research team. A novel coronavirus from patients with pneumonia in China. N Engl J Med 382: 727–733.https://doi.org/10.1056/NEJMoa2001017.
  3. Pei G, Zhang Z,Peng J, et al (2020) Renal Involvement and Early Prognosis in Patients with COVID-19 Pneumonia. JASN 31: 1157–1165.https://doi.org/10.1681/ASN.2020030276.
  4. Mohamed MMB, Velez JCQ (2021)Proteinuria in COVID-19. Clin Kidney J 26;14(Suppl 1):i40-i47. https://doi.org/10.1093/ckj/sfab036.
  5. Gabarre P, Dumas G, Dupont T, Darmon M, Azoulay E, Zafrani L (2020) Acute kidney injury in critically ill patients with COVID-19. Intensive Care Med 46:1339e48. https://doi.org/10.1007/s00134-020-06153-9.
  6. Liu R, Ma Q, Han H, et al (2020) The value of urine biochemical parameters in the prediction of the severity of coronavirus disease 2019. Clin Chem Lab Med 58: 1121–1124. https://doi.org/10.1515/cclm-2020-0220.
  7. Cheng Y, Luo R, Wang K, et al (2020) Kidney disease is associated with in-hospital death of patients with COVID-19. Kidney Int 97:829-838. https://doi.org/10.1016/j.kint.2020.03.005
  8. Hirsch JS, Ng JH, Ross DW, et al; Northwell COVID-19 Research Consortium; Northwell Nephrology COVID-19 Research Consortium (2020)Acute kidney injury in patients hospitalized with COVID-19.Kidney Int 98:209-218. https://doi.org/10.1016/j.kint.2020.05.006
  9. Portolés J, Marques M, López-Sánchez P, et al (2020) Chronic kidney disease and acute kidney injury in the COVID-19 Spanish outbreak. Nephrol Dial Transplant 35:1353-1361. https://doi.org/10.1093/ndt/gfaa189
  10. Bonetti G, Manelli F, Bettinardi A, et al (2020) Urinalysis parameters for predicting severity in coronavirus disease 2019 (COVID-19). Clin Chem Lab Med 58:e163-e165.https://doi.org/10.1515/cclm-2020-0576
  11. Chaudhri I, Moffitt R, Taub E, et al (2020) Association of Proteinuria and Hematuria with Acute Kidney Injury and Mortality in Hospitalized Patients with COVID-19. Kidney Blood Press Res 45:1018-1032. https://doi.org/10.1159/000511946.
  12. Sundaram S, Soni M, Annigeri R (2021) Urine abnormalities predict acute kidney injury in COVID-19 patients: An analysis of 110 cases in Chennai, South India. Diabetes Metab Syndr 15:187-191. https://doi.org/10.1016/j.dsx.2020.12.021.
  13. Republic of Turkey Ministry of Health, Study of Scientific Board. https://hsgm.saglik.gov.tr/depo/ birimler/goc_sagligi/covid19/rehber/COVID-19_Rehberi20200414_eng_v4_002_14.05.2020.pdf. Published 2020. [Accessed: 14th April 2020].
  14. Levey AS, Stevens LA, Schmid CH, et al (2009) A new equation to estimate glomerular filtration rate. Annals of internal medicine 150:604–612.  https://doi.org/10.7326/0003-4819-150-9-200905050-00006.
  15. Kidney Disease: Improving Global Outcomes (KDIGO) Acute Kidney Injury Workgroup (2012) KDIGO clinical practice guideline for acute kidney injury. Kidney Int Suppl 2:1–138. https://doi.org/10.1038/kisup.2012.1
  16. Siew ED, Matheny ME (2015) Choice of Reference Serum Creatinine in Defining Acute Kidney Injury. Nephron 131: 107-112. https://doi.org/10.1159/000439144
  17. Osaki A, Okada S, Saito T, et al (2016) Renal threshold for glucose reabsorption predicts diabetes improvement by sodium-glucose cotransporter 2 inhibitor therapy. J Diabetes Investig 7:751-754. https://doi.org/10.1111/jdi.12473.
  18. Liu L, He F, Cai SS,et al (2020)Clinical characteristics of hospitalized patients with 2019 novel coronavirus disease indicate potential proximal tubular dysfunction. Chin Med J (Engl) 133:1983-1985.https://doi.org/10.1097/CM9.0000000000000945.
  19. Chan L, Chaudhary K, Saha A,et al; Mount Sinai COVID Informatics Center (MSCIC) (2021) AKI in Hospitalized Patients with COVID-19. J Am Soc Nephrol. 2021 32:151-160. https://doi.org/10.1681/ASN.2020050615
  20. Huart J, Bouquegneau A, Lutteri L, et al (2021)Proteinuria in COVID-19: prevalence, characterization and prognostic role. J Nephrol 34:355-364.https://doi.org/10.1007/s40620-020-00931-w
  21. Karras A, Livrozet M, Lazareth H, et al (2021) Proteinuria and Clinical Outcomes in Hospitalized COVID-19 Patients: A Retrospective Single-Center Study. Clin J Am Soc Nephrol 16:514-521. https://doi.org/10.2215/CJN.09130620
  22. Khalili S, Sabaghian T, Sedaghat M, Soroureddin Z, Askari E, Khalili N (2021) Prevalence, Risk Factors and Outcomes Associated with Acute Kidney Injury in Patients Hospitalized for COVID-19: A Comparative Study between Diabetic and Nondiabetic Patients. J Diabetes Res 2021:6666086.https://doi.org/10.1155/2021/6666086.
  23. Russo E, Esposito P, Taramasso L, et al; GECOVID working group (2021)Kidney disease and all-cause mortality in patients with COVID-19 hospitalized in Genoa, Northern Italy J Nephrol 34:173-183. https://doi.org/10.1007/s40620-020-00875-1.
  24. Ouahmi H, Courjon J, Morand L, et al (2021) Proteinuria as a Biomarker for COVID-19 Severity. Front Physiol 12:611772.https://doi.org/10.3389/fphys.2021.611772
  25. Silver SA, Beaubien-Souligny W, Shah PS, et al (2021) The Prevalence of Acute Kidney Injury in Patients Hospitalized With COVID-19 Infection: A Systematic Review and Meta-analysis. Kidney Med 3:83-98.e1. https://doi.org/10.1016/j.xkme.2020.11.008
  26. Wang B, Luo Q, Zhang W, et al (2021) The Involvement of Chronic Kidney Disease and Acute Kidney Injury in Disease Severity and Mortality in Patients with COVID-19: A Meta-Analysis. Kidney Blood Press Res 46:17-30. https://doi.org/10.1159/000512211
  27. Nadim MK, Forni LG, Mehta RL, et al; COVID-19-associated acute kidney injury: consensus report of the 25th Acute Disease Quality Initiative (ADQI) Workgroup (2020) Nat Rev Nephrol 16:747-764. https://doi.org/10.1038/s41581-020-00356-5
  28. Su H, Yang M, Wan C,  et al (2020) Renal histopathological analysis of 26 postmortem findings of patients with COVID-19 in China. Kidney Int. 98, 219–227. https://doi.org/10.1016/j.kint.2020.04.003
  29. Farkash, E. A., Wilson, A. M. & Jentzen, J. M (2020) Ultrastructural evidence for direct renal infection with SARS-CoV-2. J. Am. Soc. Nephrol 31:1683–1687.https://doi.org/10.1681/ASN.2020040432
  30. Rossi GM, Delsante M, Pilato FP,et al (2020) Kidney biopsy findings in a critically ill COVID-19 patient with dialysis-dependent acute kidney injury: a case against “SARS-CoV-2 nephropathy”. Kidney Int. Rep 5:1100–1105. https://doi.org/10.1016/j.ekir.2020.05.005.
  31. Schaller T,Hirschbühl K, Burkhardt K, et al (2020) Postmortem examination of patients with COVID-19. JAMA 323:2518–2520. https://doi.org/10.1001/jama.2020.8907
  32. Santoriello DKhairallah P, Bomback AS,et al (2020) Postmortem kidney pathology findings in patients with COVID-19. J. Am. Soc. Nephrol 31: 2158–2167.https://doi.org/10.1681/ASN.2020050744
  33. Zhao Z, Chen A, Hou W, Graham JM, et al (2020) Prediction model and risk scores of ICU admission and mortality in COVID-19. PLoS ONE 15(7):e0236618. https://doi.org/10.1371/journal.pone.0236618
  34. Shang Y, Liu T, Wei Y, Li J, Shao L, Liu M et al (2020) Scoring systems for predicting mortality for severe patients with COVID19. EClinicalMedicine24:100426. https://doi.org/10.1016/j.eclinm.2020.100426
  35. Bartoletti M, Giannella M, Scudeller L, et al (2020) Development and validation of a prediction model for severe respiratory failure in hospitalized patients with SARS-Cov-2 infection: a multicenter cohort study (PREDI-CO study) Clin Microbiol Infect 26:1545-1553. https://doi.org/10.1016/j.cmi.2020.08.003.
  36. Fisher M, Neugarten J, Bellin E, et al (2020) AKI in hospitalized patients with and without COVID-19: a comparison study. J Am Soc Nephrol 31:2145-2157. https://doi.org/10.1681/ASN.2020040509