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Slopes of FEV1 by initial antiretroviral treatment (ART) drug class. Differences were adjusted for age, sex, race, region of world, treatment assignment (immediate vs. deferred ART strategy), smoking status, baseline chronic obstructive pulmonary disease, and log10 HIV-RNA before initiating ART. CI = confidence interval; INSTI = integrase strand transfer inhibitor; PI = protease inhibitor; NNRTI = nonnucleoside reverse transcriptase inhibitor.
