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Receiver operating characteristic curve comparing the RSF-derived mortality prediction model with updated BODE and ADO after removing select features. Models were trained in 75% of the COPDGene sample and tested in the ECLIPSE sample. A, Imaging variables (% LAA < −950 HU, PAA, Pi10) were excluded when building the Cox regression model. B, The 6MWD was excluded when building the Cox regression model. See Figure 1, 2, and 3 legends for expansion of abbreviations.
