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. 2020 Oct 5;7(1):e000694. doi: 10.1136/bmjresp-2020-000694

Table 2.

Details of outcome measures

Outcome measure test Equipment used
(manufacturer)		 Guideline or protocol followed
Spirometry MicroLab hand held spirometer (Carefusion UK, Basingstoke, UK) Joint European Respiratory Society/American Thoracic Society guidelines11
Impulse oscillometry (IOS) Jaeger IOS (Jaeger, Wurzburg, Germany) Royal Brompton and Harefield NHS Foundation Trust standard operating procedure described by Paredi et al24
Multiple breath nitrogen washout Ecomedics Exhalyzer D machine (Eco Medics AG, Duernten, Switzerland) Ecomedics Exhalyzer D standard operating procedure.45
Electronic impedance tomography Draeger Pulmovista 500 (Draeger Medical U.K. Limited, Hemel Hempstead, UK) Pulmovista 500 operator guidance (Draeger Medical, Germany)