Reports published by Data Quality Assurance include:

Latest:

SMR01 and Associated Data Quality Assurance 2004 - 2006 - Project background

The Scotland report was published on 25th September 2007 and can be viewed online or downloaded here:

An Assessment of SMR01 and Associated Data 2004 - 2006 

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Other:

Assessment of SMR00 and SMR01 Dental Data, 2006

NHS Scotland Data Quality Assurance Study on the Quality of Waiting Times Information, 2004/05 

NHSSCOTLAND Data Quality Assurance Report on Acute Inpatient/Day Case Data, 2000/2002
plus Background and key findings.   (The latest publication can also be downloaded with links to Excel versions of the graphs)

Investigation of anomalies highlighted by Coppish, 2000     plus    Final executive summary

SMR04 1998/99 Assessment of data quality

SMR02 1996 Summary of Preliminary Findings of SMR01 (COPPISH) Project

SMR01 1996/97 Assessment of data quality, Scotland