Long-term oxygen therapy on the island of Crete, Greece.

The aim of this study was to investigate the extent of use, the selection criteria for usage and the conditions under which long-term oxygen therapy (LTOT) is provided on the island of Crete, Greece. A total of 545 patients using oxygen therapy at home in Crete were found from the records held by local hospitals, health insurance offices and oxygen supply companies. After randomization, 100 patients were selected, and finally 79 patients (64 males, 15 females), with a mean age of 71 yrs, were contacted and completed a questionnaire.