| Oct 05 | May 06 | Mar 07 | July 07 | July 08 | July 09 | |
| Total pts on O2 | 155 | 126 | 155 | 95 | 79 | 67 |
| With Rx | 46% | 45% | 73% | 63% | 68% | 58% |
| Correct device | 61% | 75% | 76% | 67% | 44% | 64% |
| Correct Fio2 | 72% | 70% | 64% | 62% | 44% | 49% |
| Frequency | 90% | 88% | 80% | 85% | 78% | 82% |
| Correctly completed and applied | – | – | 49% | 48% | 26% | 31% |
| On O2 with correctly completed and applied Rx | – | – | 36% | 30% | 18% | 18% |
| Correct Fio2 recorded in nursing obs | – | – | 71% | 75% | 81% | 87% |