The World Health Organisation's Surgical Safety Checklist has been adopted and implemented by many hospitals throughout the world: from large tertiary teaching hospitals in wealthy countries, to small hospitals in low-resource settings.
The benefits to each hospital however are likely not the same. Does the WHO SSC implemented in a hospital that already has a 'Time Out' process bring the same benefit, if any, as to a hospital for which the checklist was completely new? Possibly not.
Several studies across a wide range of health systems have shown conflicting results in terms of reducing morbidity, mortality and length of stay.summary
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