Additional file 1 of Feasibility and acceptability of remotely monitoring spirometry and pulse oximetry as part of interstitial lung disease clinical care: a single arm observational study

Supplementary Material 1: Additional Figure 1: Heatmap demonstrating frequency of spirometry attempts throughout the 91 day study period. Each horizontal bar represents a participant within the study. Each vertical line within a bar represents a day on which home spirometry was performed.