Primary immunodeficiencies (PID) are a heterogeneous group of diseases that occur as a result of disorders that affect the development, differentiation and/or function of various cells and building blocks in the immune system. Among the symptoms and complications of PID, pulmonary complications are very common and significantly increase the morbidity and mortality of the disease.
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Acute pulmonary exacerbation, acute upper or lower respiratory tract infection
Serious neurological, neuromuscular, orthopedic and other systemic diseases or other diseases affecting physical functions
Participating in a planned exercise program in the past three months
Cognitive impairment, which may cause difficulty understanding and following exercise test instructions