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?:abstract
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BACKGROUND: This objective of this study was to identify a sensitive indicator of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. METHODS: Samples were collected from 136 patients with Coronavirus disease 2019 (COVID-19) pneumonia admitted to the Shanghai public health clinical center (116 mild, 20 severe). The concentrations of serum urea, Uric Acid (UA), Creatinine (CREA), Erythrocyte sedimentation rate (ESR), high-sensitivity C-reactive protein (hs-CRP), procalcitonin (PCT), and urine protein (Pro) have been tested in this study. RESULTS: Higher levels of urea (female 7.00 ± 3.31, male 8.87 ± 5.18) Pro (female7/7, male 12/13), hs-CRP (female 2/7, male 5/13) ESR (female 94.43 ± 33.26, male 67.85 ± 22.77) were found in severe patients compared with the mild (urea: female 3.71 ± 1.00, male 4.42 ± 1.14; Pro: female 3/46, male 12/70; hs-CRP: female 1/46, male 3/70; ESR: female 43.32 ± 33.24, male 21.64 ± 21.82). UA is lower in the severe group (female 146.90 ± 54.01, male 139.34 ± 66.95) than in mild group (female 251.99 ± 64.35, male 339.81 ± 71.32). CREA and PCT did not show a significant difference between mild and severe patients, but the difference among the five biological markers (urea, Pro, hs-CRP, ESR, and UA) between mild and severe patients we tested was small (P < .05). CONCLUSION: Severe COVID-19 patients had higher levels of urea and Pro, while their UA levels were lower, reflecting poor kidney function in severe patients. However, higher levels of hs-CRP, ESR indicated that inflammatory responses were more active in severe patients.
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