No abstract available
MeSH terms
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Adult
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Aged
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COVID-19 / complications
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COVID-19 / mortality*
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COVID-19 / therapy*
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Female
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Humans
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Male
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Middle Aged
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Pneumonia, Ventilator-Associated / etiology*
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Pneumonia, Ventilator-Associated / mortality*
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Propensity Score
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Respiration, Artificial / adverse effects*
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Respiration, Artificial / statistics & numerical data
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Retrospective Studies
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Risk Factors
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Spain