No abstract available
MeSH terms
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Bias
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Biometry / methods*
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Critical Illness / mortality*
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Data Interpretation, Statistical*
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Humans
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Mortality*
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Outcome Assessment, Health Care / methods*
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Patient Dropouts / statistics & numerical data*
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Proportional Hazards Models
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Risk Assessment / methods
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Risk Factors
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Sample Size
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Surveys and Questionnaires*
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Survival Analysis
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Survival Rate