Fig. 1. Bland-Altman plot between the HooHoo and the MIR for pulmonary function test variables in participants (FEV₁ forced expiratory volume in the first second, FVC; forced vital capacity, PEF; peak expiratory flow).

Phys Ther Rehabil Sci 2024;13:179-86 https://doi.org/10.14474/ptrs.2024.13.2.179