Multivariable analyses of CAT criteria as independent predictors of outcomes in adults (≥16 years), forward stepwise regression.

Values are adjusted odds ratios (95% confidence intervals), significant values in bold and p values in italic. Each predictor variable (CAT criterion) in model adjusted for other criteria in the multivariable model remaining following forward stepwise regression (significance level for addition to the model p≤0.05); X Not calculated as this criterion typically directs the outcome (use of supplemental oxygen).