Pregnancy

A history of malignancy in the last 5 years

Unable to give informed consent or diagnosed dementia

Renal or hepatic failure

Active endocrine disorder eg., Addison's disease, hypothyroidism

Any other disease identified as having an inflammatory or metabolic component, eg. rheumatoid disease

Disorders affecting mobility, eg. Parkinson's disease, cerebrovascular accident.

Assessment of Risk in Chronic Airways Disease Evaluation