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. 2022 Jan 18:1–13. doi: 10.1159/000521316

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Copyright © 2022 by S. Karger AG, Basel

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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Fig. 2 — a6-months severity mMRC scale of dyspnoea.b6-months–severity DLCO (normal, mild, and moderate impairment).c6-months 6MWD over/under 80 per cent predicted.dComparison between 2-months 6MWD and 6-months 6MWD.eCharacteristics of HRCT during hospitalization and at 6 months.fComparison between extension score HRCT during hospitalization and 6-months HRCT.gCorrelation between extension score HRCT during hospitalization and 6-months 6MWT SpO₂ Nadir. mMRC, Modified British Medical Research Council Questionnaire.