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Deprecated: Implicit conversion from float 231.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Clin+Microbiol+Infect 2021 ; 27 (1): 105-111 Nephropedia Template TP
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Efficacy of corticosteroid treatment for hospitalized patients with severe COVID-19: a multicentre study #MMPMID32971254
Bartoletti M; Marconi L; Scudeller L; Pancaldi L; Tedeschi S; Giannella M; Rinaldi M; Bussini L; Valentini I; Ferravante AF; Potalivo A; Marchionni E; Fornaro G; Pascale R; Pasquini Z; Puoti M; Merli M; Barchiesi F; Volpato F; Rubin A; Saracino A; Tonetti T; Gaibani P; Ranieri VM; Viale P; Cristini F
Clin Microbiol Infect 2021[Jan]; 27 (1): 105-111 PMID32971254show ga
OBJECTIVE: To assess the efficacy of corticosteroids in patients with coronavirus disease 2019 (COVID-19). METHODS: A multicentre observational study was performed from 22 February through 30 June 2020. We included consecutive adult patients with severe COVID-19, defined as respiratory rate >/=30 breath per minute, oxygen saturation =93% on ambient air or arterial partial pressure of oxygen to fraction of inspired oxygen =300 mm Hg. We excluded patients being treated with other immunomodulant drugs, receiving low-dose corticosteroids and receiving corticosteroids 72 hours after admission. The primary endpoint was 30-day mortality from hospital admission. The main exposure variable was corticosteroid therapy at a dose of >/=0.5 mg/kg of prednisone equivalents. It was introduced as binomial covariate in a logistic regression model for the primary endpoint and inverse probability of treatment weighting using the propensity score. RESULTS: Of 1717 patients with COVID-19 evaluated, 513 were included in the study, and of these, 170 (33%) were treated with corticosteroids. During hospitalization, 166 patients (34%) met the criteria of the primary outcome (60/170, 35% in the corticosteroid group and 106/343, 31% in the noncorticosteroid group). At multivariable analysis corticosteroid treatment was not associated with lower 30-day mortality rate (adjusted odds ratio, 0.59; 95% confidence interval (CI), 0.20-1.74; p 0.33). After inverse probability of treatment weighting, corticosteroids were not associated with lower 30-day mortality (average treatment effect, 0.05; 95% CI, -0.02 to 0.09; p 0.12). However, subgroup analysis revealed that in patients with PO2/FiO2 < 200 mm Hg at admission (135 patients, 52 (38%) treated with corticosteroids), corticosteroid treatment was associated with a lower risk of 30-day mortality (23/52, 44% vs. 45/83, 54%; adjusted odds ratio, 0.20; 95% CI, 0.04-0.90; p 0.036). CONCLUSIONS: The effect of corticosteroid treatment on mortality might be limited to critically ill COVID-19 patients.