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• W2972048605 abstract "Acute respiratory failure is the leading reason for intensive care unit (ICU) admission in immunocompromised patients, and the need for invasive mechanical ventilation has become a major clinical endpoint in randomized controlled trials (RCTs). However, data are lacking on whether intubation is an objective criteria that is used unbiasedly across centers. This study explores how this outcome varies across ICUs. Hierarchical models and permutation procedures for testing multiple random effects were applied on both data from an observational cohort (the TRIAL-OH study: 703 patients, 17 ICUs) and a randomized controlled trial (the HIGH trial: 776 patients, 31 ICUs) to characterize ICU variation in intubation risk across centers. The crude intubation rate varied across ICUs from 29 to 80% in the observational cohort and from 0 to 86% in the RCT. This center effect on the mean ICU intubation rate was statistically significant, even after adjustment on individual patient characteristics (observational cohort: p value = 0.013, median OR 1.48 [1.30–1.72]; RCT: p value 0.004, median OR 1.51 [1.36–1.68]). Two ICU-level characteristics were associated with intubation risk (the annual rate of intubation procedure per center and the time from respiratory symptoms to ICU admission) and could partly explain this center effect. In the RCT that controlled for the use of high-flow oxygen therapy, we did not find significant variation in the effect of oxygenation strategy on intubation risk across centers, despite a significant variation in the need for invasive mechanical ventilation. Intubation rates varied considerably among ICUs, even after adjustment on individual characteristics." @default.
• W2972048605 created "2019-09-12" @default.
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• W2972048605 date "2019-09-06" @default.
• W2972048605 modified "2023-10-14" @default.
• W2972048605 title "Center effect in intubation risk in critically ill immunocompromised patients with acute hypoxemic respiratory failure" @default.
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• W2972048605 doi "https://doi.org/10.1186/s13054-019-2590-7" @default.
• W2972048605 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6731598" @default.
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