Analysis of Remote Monitoring/Virtual Clinic Data in Adult Patients With Cystic Fibrosis (Project Breathe)

The goal of this observational study is to learn about the impact of home monitoring in adults with cystic fibrosis. The main questions it aims to answer are: * how people with CF find using home monitoring equipment * to see if by using home monitoring data acute respiratory exacerbations (chest infections) can be detected earlier than standard care Participants will be provided with a range of home monitoring equipment - * hand held spirometer (lung function) * weighing scales * oximeter (blood oxygen levels) * activity and heart rate monitor to measure health at home several times a week. This information links to an app on a smartphone which the participant and clinicians can see.