Table 2

Per cent of correct responses to factual questions (the correct answer is in brackets)

QuestionGeneral public (n=65)Patients with COPD (n=62)Managers (n=10)Ambulance crew (n=68)Nurses (n=22)Doctors (n=22)
1Per cent oxygen in room air (21%)151590828286
2Is oxygen needed for an acute asthma episode with normal saturation (no)223120565545
3Is controlled oxygen therapy required in acute COPD (yes)4040100888682
4Effect of oxygen in ‘Oxygen Bars’ (no benefit or harm)2923100797382
5Correct use of oxygen for heart attack (give oxygen if the saturation is low)573170668673
Average score for five factual questions33%28%76%74%76%74%
6Target saturation for most patients with COPD (88–92%)695573
7Target range for most patients (94–98%)738273
8Patient with COPD with major trauma (target 94–98 until ABG available)324536
9Oxygen for palliative care patient with SpO2 94% (no benefit in trials)786873
10Which poisoning needs high dose oxygen, ignoring SpO2? (carbon monoxide)737382
Average score for five advanced questions70%70%70%
Average per cent of incorrect answers646722221217
Average per cent of blank answers35281613
  • COPD, chronic obstructive pulmonary disease.