Unexplained elevation of erythrocyte sedimentation rate in a patient recovering from COVID-19: A case report

Table 1 Main results of routine blood test, inflammation parameters, and liver and renal function

Item/result	WBC (× 109/L)	NEUT (%)	LYM (× 109/L)	PCT (ng/mL)	IL6 (pg/mL)	ESR (mm/h)	CRP (mg/L)	CREA (umol/L)	UREA (mmol/L)	TBIL (umol/L)	ALT (U/L)	AST (U/L)
Result	3.57	53.5	1.29	0.06	35.65	22	43.58	103	4.6	17.3	9.73	38.45
Reference range	4-10	45-77	0.8-4	< 0.5	0-7	0-15	0-8	40-106	2.9-8.2	5.1-20	5-40	8-40

WBC: White blood cells; NEUT: Neutrophil granulocytes; LYM: Lymphocytotoxicity; PCT: Procalcitonin; IL-6: interleukin-6; ESR: Erythrocyte sedimentation rate; CRP: C-reactive protein; CREA: Creatinine; TBIL: Total bilirubin; ALT: Alanine transaminase; AST: Aspartate aminotransferase.