Table 4.

Acute renal manifestations in COVID 19.

Renal manifestation	References	Number of total patients	The affected patients	The incidence
Haematuria	Pei, Guangchang et al. “Renal Involvement and Early Prognosis in Patients with COVID-19 Pneumonia.” Journal of the American Society of Nephrology : JASN vol. 31,6 (2020): 1157-1165. doi: 10.1681/ASN.2020030276	333	Haematuria 139/333	(41.7%)
proteinuria			Proteinuria 219/333	65.8%
Acute kidney injury			35/333	10.5%
Acute tubular necrosis[Arteriosclerosis ]	Su, Hua et al. “Renal histopathological analysis of 26 postmortem findings of patients with COVID-19 in China.” Kidney international vol. 98,1 (2020): 219-227. doi: 10.1016/j.kint.2020.04.003	26 postmortem findings of patients with COVID-19 in China
Hyperkalemia	Malieckal, Deepa A et al. “Electrolyte abnormalities in patients hospitalized with COVID-19.” Clinical kidney journal vol. 14,6 1704-1707. 16 Mar. 2021, doi: 10.1093/ckj/sfab060	10348	638	6.6%