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Aanesthetic Agents for Day Surgery - NIHR Health Technology ...

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234<br />

Appendix 23<br />

TABLE 96 Reasons <strong>for</strong> withdrawal from the empirical study<br />

Reason No. of patients<br />

Children Adults<br />

Study protocol violations 12 15<br />

Operation cancelled due to unsuitable patient 3 11<br />

Operation cancelled due to insufficient time 2 9<br />

Patient withdrew consent, did not want gas 2 7<br />

Patient withdrew consent, no reason given 2 5<br />

Patient did not fulfil inclusion criteria 1 11<br />

Anaesthetist not content with randomised technique 1 6<br />

Comorbidity meant unsuitable randomisation 1 5<br />

Patient withdrew consent, did not want injection 1 2<br />

Researcher not able to be in two places 0 9<br />

Anaesthetist not happy to take part 0 5<br />

Do not know 0 4<br />

Theatre not equipped <strong>for</strong> anaesthetic technique 0 3<br />

Complications with surgery 0 2<br />

Previous complications with anaesthesia 0 1<br />

Total 25 95

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