Question | General public (n=65) | Patients with COPD (n=62) | Managers (n=10) | Ambulance crew (n=68) | Nurses (n=22) | Doctors (n=22) | |
---|---|---|---|---|---|---|---|
1 | Per cent oxygen in room air (21%) | 15 | 15 | 90 | 82 | 82 | 86 |
2 | Is oxygen needed for an acute asthma episode with normal saturation (no) | 22 | 31 | 20 | 56 | 55 | 45 |
3 | Is controlled oxygen therapy required in acute COPD (yes) | 40 | 40 | 100 | 88 | 86 | 82 |
4 | Effect of oxygen in ‘Oxygen Bars’ (no benefit or harm) | 29 | 23 | 100 | 79 | 73 | 82 |
5 | Correct use of oxygen for heart attack (give oxygen if the saturation is low) | 57 | 31 | 70 | 66 | 86 | 73 |
Average score for five factual questions | 33% | 28% | 76% | 74% | 76% | 74% | |
6 | Target saturation for most patients with COPD (88–92%) | – | – | – | 69 | 55 | 73 |
7 | Target range for most patients (94–98%) | – | – | – | 73 | 82 | 73 |
8 | Patient with COPD with major trauma (target 94–98 until ABG available) | – | – | – | 32 | 45 | 36 |
9 | Oxygen for palliative care patient with SpO2 94% (no benefit in trials) | – | – | – | 78 | 68 | 73 |
10 | Which poisoning needs high dose oxygen, ignoring SpO2? (carbon monoxide) | – | – | – | 73 | 73 | 82 |
Average score for five advanced questions | 70% | 70% | 70% | ||||
Average per cent of incorrect answers | 64 | 67 | 22 | 22 | 12 | 17 | |
Average per cent of blank answers | 3 | 5 | 2 | 8 | 16 | 13 |
COPD, chronic obstructive pulmonary disease.