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. 2022 Nov 11;23:307. doi: 10.1186/s12931-022-02221-4

Fig. 4.

Fig. 4

Examples of FVC measurements in individual patients, using home handheld spirometry and site spirometry, in a STARLINER, b STARMAP and c the pirfenidone in uILD study. For home handheld spirometry, baseline was calculated as the average of assessments collected during the first 7 days. FVC forced vital capacity, L litres, uILD unclassifiable interstitial lung disease