showing the results of oxygen therapy prescription, documentation and administration before (2011) and after (2015) the publication of the local hospital oxygen therapy guideline in patients in whom oxygen therapy was indicated, i.e. SpO<sub>2</sub> or SaO<sub>2</sub> &lt;94%, or &lt;88% in patients with, or at risk of, type two respiratory failure.
<table class='wide'>
<tbody>
<tr>
<td colspan="7" >In patients in whom oxygen therapy <em>was</em> indicated</td>
</tr>
<tr>
<td rowspan="2" >&nbsp;</strong></p>Year of data collection</td>
<td rowspan="2" >No. of patients in whom O<sub>2</sub>* was indicated</td>
<td rowspan="2" >O<sub>2</sub> administered at the ED** and documented correctly**</td>
<td rowspan="2" >O<sub>2</sub> prescribed correctly in management plan</td>
<td rowspan="2" >Correct *** O<sub>2 </sub>prescription documented in treatment chart</td>
<td colspan="2" >O<sub>2</sub> administered in ward</td>
</tr>
<tr>
<td >Correctly as prescribed</td>
<td >Incorrectly or not given at all</td>
</tr>
<tr>
<td >
<p>2011</p>
<p>(before guideline)</p>
</td>
<td >
<p>85</p>
</td>
<td >
<p>23.5%</p>
<p>(<em>n</em>=20)</p>
</td>
<td >
<p>34.1%</p>
<p>(<em>n</em>=29)</p>
</td>
<td >
<p>51.8% (<em>n</em>=44)</p>
</td>
<td >
<p>7.1%</p>
<p>(<em>n</em>=6)</p>
</td>
<td >
<p>92.9% (<em>n</em>=79)</p>
</td>
</tr>
<tr>
<td >
<p>2015 (after guideline)</p>
</td>
<td >
<p>92</p>
</td>
<td >
<p>73.9%</p>
<p>(<em>n</em>=68)</p>
</td>
<td >
<p>76.1%</p>
<p>(<em>n</em>=70)</p>
</td>
<td >
<p>58.7% (<em>n</em>=54)</p>
</td>
<td >
<p>48.9% (<em>n</em>=45****)</p>
</td>
<td >
<p>48.9% (<em>n</em>=45****)</p>
</td>
</tr>
<tr>
<td >&nbsp;</td>
<td >&nbsp;</td>
<td >
<p><em>p</em>&lt;0.01</p>
</td>
<td >
<p><em>p</em>&lt;0.01</p>
</td>
<td >
<p><em>p</em>=0.352</p>
</td>
<td >
<p><em>p</em>&lt;0.01</p>
</td>
<td >
<p><em>p</em>&lt;0.01</p>
</td>
</tr>
</tbody>
</table>
<div>
<p>*0<sub>2</sub> = supplemental oxygen therapy</p>
<p>**ED = emergency department</p>
<p>***Correct = including both the delivery device <em>and</em> the flow rate (not deemed to be necessary for Venturi masks if the concentration of oxygen is specified)</p>
<p>****1 patient refused 0<sub>2</sub>, and another patient had oxygen therapy prescribed only as required (PRN)</p>
</div>