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. 2023 Feb 7;307(2):e222557. doi: 10.1148/radiol.222557

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© 2023 by the Radiological Society of North America, Inc.

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Forest plots show that treatment with prescribed respiratory medication (Rx) 3 months after COVID-19 infection predicted an improved St George Respiratory Questionnaire (SGRQ) score (odds ratio [OR], 4.0; P = .03) greater than or equal to the minimal clinically important difference at 15 months, but not improved 6-minute walk distance (6MWD) (OR, 2.9; P = .08), forced expiratory volume in 1st second of expiration (FEV1) (OR, 1.1; P = .9), or 129Xe MRI ventilation defect percent (VDP) (OR, 0.9; P = .9). The triangle indicates change at 15 months compared with 3 months. * indicates P < .05. — Forest plots show that treatment with prescribed respiratory medication (Rx) 3 months after COVID-19 infection predicted an improved St George Respiratory Questionnaire (SGRQ) score (odds ratio [OR], 4.0; P = .03) greater than or equal to the minimal clinically important difference at 15 months, but not improved 6-minute walk distance (6MWD) (OR, 2.9; P = .08), forced expiratory volume in 1st second of expiration (FEV₁) (OR, 1.1; P = .9), or ¹²⁹Xe MRI ventilation defect percent (VDP) (OR, 0.9; P = .9). The triangle indicates change at 15 months compared with 3 months. * indicates P < .05.