Crockett et al reported factors which can help to identify a patient with chronic obstructive pulmonary disease (COPD) who is likely to benefit from supplemental oxygen therapy. The authors are from Flinders Medical Center in Bedford Park, South Australia.


Likely to Have an Improved Survival

Not Likely to Have an Improved Survival

severity of COPD


mild or moderate

number of comorbid conditions

none, mild or few

significant and/or many


Additional factors would be:

(1) compliance with oxygen prescription

(2) adequacy of the oxygen prescription


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