| Baseline SaO2 | >95%, 12 patients | 92–95%, 7 patients |
| Positive test | 6 patients | 5 patients |
| PaO2 <6.6 kPa | 50% | 71% |
| Borderline test | 3 patients | 1 patient |
| PaO2 6.6–7.4 kPa | 25% | 14.5% |
| Negative test | 3 patients | 1 patient |
| PaO2 >7.4 kPa | 25% | 14.5% |
PaO2, partial pressure of arterial O2; SaO2, oxygen saturation.