Fig. 2

Steps taken at each visit. *Demographics and past medical history. **Dyspnoea scale, fatigue scale, body plethysmography parameters, diffusing capacity/transfer factor of the lung for carbon monoxide parameters, rectus femoris cross-sectional area, incremental cycle exercise test parameters, constant work rate cycle endurance test parameters, isokinetic quadriceps muscle function test parameters, body composition parameters, six-minute walk test parameters, Hospital Anxiety and Depression Scale parameters, St. George’s Respiratory Questionnaire parameters, blood test parameters and daily physical activity parameters. ***Number of exacerbations of the disease, hospitalizations and medications