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Gas Exchange and Exercise Capacity Affect Neurocognitive Performance in Patients With Lung Disease

Priti I. Parekh, PhD, James A. Blumenthal, PhD, Michael A. Babyak, PhD, Rick LaCaille, PhD, Sarah Rowe, BS, Liz Dancel, BS, Robert M. Carney, PhD, R. Duane Davis, MD, Scott Palmer, MD for the INSPIRE Investigators

From the Departments of Psychiatry and Behavioral Sciences (P.I.P., J.A.B., M.A.B., R.L., S.R., L.D.), Surgery (R.D.D.), and Medicine (S.P.), Duke University Medical Center, Durham, North Carolina; and the Department of Psychiatry, Washington University School of Medicine, St. Louis, Missouri (R.M.C.).



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  		Figure 1. Relation of PCO2 to attention/executive function (top panel) and verbal memory (bottom panel) latent variables. Factor scores on y-axes were generated using confirmatory factor analysis and represent the shared variance among related tests.

 




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