Oxygen implementation audits in February 2009 and October–November 2010
| 2009 (n=72) (%) | 2010 (n=51) (%) | |
| Oxygen policy in place | 6 | 37 |
| Pre-printed oxygen prescription charts | 9 | 51 |
| Pre-printed bedside monitoring chart | 7 | 33 |
| Nurse training fully implemented | 7 | 18 |
| Doctor training fully implemented | 4 | 11 |