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Hospital inclusion and exclusion criteria
| Criteria | Description | |
|---|---|---|
| Inclusion | • | Public hospitals |
| • | Hospitals with all three sources of oxygen – LMO tank, PSA plants, and cylinder manifold | |
| Exclusion | • | Private hospitals |
| • | Hospitals that did not have all three sources of oxygen | |
LMO-Liquid Medical Oxygen; PSA-Pressure Swing Adsorption
