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J Eval Clin Pract. 2010 Aug;16(4):693-9. doi: 10.1111/j.1365-2753.2009.01177.x. Epub 2010 Jun 10.

An independent evaluation of the modernization of NHS endoscopy services in England: data poverty and no improvement.

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Centre for Health Information, Research and Evaluation (CHIRAL), School of Medicine, Swansea University, Singleton Park, Swansea, UK.



The Modernising Endoscopy Services (MES) programme introduced a focussed modernization drive and data collection regime to English NHS endoscopy services. We independently evaluated the MES programme by comparing routinely collected, service-related endoscopy data from sites that participated in the MES programme and sites that did not.


A random selection of 10 endoscopy units who had participated in the MES programme (intervention sites) were compared with a random selection of 10 endoscopy units who redesigned their services independently (control sites). Data on demand, numbers waiting, activity and cancellations were collected for eight time points between January 2003 and April 2006. Data were aggregated into intervention and control groups for statistical analysis using a two-way analysis of variance. Activity data were validated using an equivalent Hospital Episode Statistics dataset.


Data were not routinely collected by 11 of 19 endoscopy units. Trust-held datasets were subsequently included to address problems with data availability. The accuracy of the Activity data was successfully validated. Statistical analysis of the data showed that neither the intervention group nor the control group were able to significantly improve their services over time. There was also no significant difference between the intervention group and the control group in the improvement of their endoscopy services at any point time.


Based on the data collected, the intervention programme did not significantly improve NHS endoscopy services in England over and above what could have been achieved independently with only the intention to redesign.

[Indexed for MEDLINE]

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