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The quality of the NHS Information Centre’s dental publications This document summarises key aspects of the data quality of dental publications. Report measure Activity Accuracy Relevance Comparability Timeliness Accessibility Burden Confidentiality Provisional data published in the first 3 quarterly publications, adjusted to provide estimated final position for national data. Adjustment methodology and factors published in technical annex. Monitors levels of activity across treatment bands, highlighting practice changes in over time Methodologies consistent with those used by Welsh Assembly Government. Covers period of current contract (introduced in 2006) – not comparable with previous contract. Published quarterly, 4½ months after the end of the relevant period Accessible via the NHS IC internet as PDF documents. Additional information provided in Excel format at sub-national level, including flat files suitable for further analysis. Data are also available to NHS colleagues in an interactive analytical tool, for management purposes. Data collected by NHS Dental Services, largely to support PCTs in the contract and performance management processes. Majority of information collected electronically and data available for publication as a byproduct of these processes. Current dental contract designed to simplify data collection requirement. Publications are subject to a standard NHS IC risk assessment prior to issue. Disclosure control is implemented where judged necessary. Final data published annually after end of year. (Also applies to Patients Seen, & Patient Charges, data) (Also applies to Patients Seen, & Patient Charges, data) (Also applies to Patients Seen, Patient Charges & Clinical data) (Also applies to Patients Seen, & Patient Charges, data) Report measure Patients seen Accuracy Relevance Comparability Timeliness Accessibility Burden Confidentiality Final data published each quarter. The proportion of patients seen in the previous 24 months used population projections from the Office for National Statistics. ONS is currently in the process of producing revised estimates for 2001 onwards. However, as estimates for the years covered in the annual report 2009/10 are not yet available at the lowest level, we have used the original estimates in this report. We expect to introduce revised population estimates in future reports. This is likely to have an impact on population based measures such as the proportion of patients seen, particularly at the sub-national level. Key use is to monitor effectiveness of current dental contract, introduced in 2006 See page 1 Published quarterly, 1 ½ months after the end of the relevant period See page 1 See page 1 See page 1 In November 2010 an error was discovered in the PCT population estimates published in August 2009 by the ONS and used in this publication. This has resulted in some small inconsistencies between local authority estimates and 5 PCTs: Isle of Wight, Solihull, North Lincolnshire, North-East Lincolnshire and Lincolnshire. As the error equates to less than 1% for each PCT and as all populationbased data presented in this publication will be updated when a full time series of revised populations data are available, figures in this report have not been adjusted to account for this error. This error does not affect SHA and national estimates. Patients seen data at monthly intervals have been introduced for the 2010/11 reporting year. Previous data are only available at quarterly intervals. Report measure Patient charges Orthodontics Accuracy Relevance Comparability Timeliness Accessibility Burden Confidentiality Final data published annually. Figures may be slightly lower than expected as information not collected from closed contracts, although the volume of these is minimal Information at PCT level enables benchmarking against peers See page 1 Published annually, 4½ months after the end of the year See page 1 See page 1 See page 1 Final data published annually Summary data on orthodontics available from 2008/09, split by SHA Information first published in 2008/09 on orthodontic activity. Orthodontic patients included in patients seen measure. Report measure Clinical 1 Accuracy Relevance Comparability Timeliness Accessibility Burden Confidentiality Latest publication badged as experimental statistics, reflecting a series of quality issues around non-completion of the source data. Some data excluded to account for this with national figures estimated by weighting figures. PCT level analyses carried out to impact effect at local level. Results of this analysis published in a methodology annex, alongside more detailed description of the issue.1 Because of this work, no subnational level information published. Improvements likely with changes to data collection forms from April 2010. Data first published in 2008 showing level of clinical intervention. Once time series emerges, will provide useful information to clinicians and policy makers alike Not comparable with clinical data from previous contract. Extensive analysis carried out around comparability – fundamental in nature of contract and data collection practices. No historical time series reported. Inconsistent in-completion of clinical data set across PCTs means that danger of misleading comparison if reported - data not shown below national level. Issue explored in technical annex. 1 Next publication planned for December 2010, 7 months after end of year, allowing time for extensive analysis of noncompletion Accessible via the NHS IC internet as PDF documents. See page 1 Publications are subject to a standard NHS IC risk assessment prior to issue. Available at http://www.ic.nhs.uk/statistics-and-data-collections/primary-care/dentistry/clinical-dental-report-england-and-wales-quarter-3-and-quarter-4-2008-09experimental-statistics Data currently published at national level. No risk of disclosure. Report measure Prescribing Accuracy Relevance Comparability Timeliness Accessibility Burden Confidentiality Long standing data collection. Prescription Services have their own internal quality process. They advise that the total payment made to dispensers is between 99.8% and 100.2% of the “true” value based on a statistical analysis. For further information see: http://www.nhsbsa.nhs.uk/Docum ents/PPDImpact/imPACTjun2008. pdf Useful information for policy makers particularly around generic prescribing patterns. Reports dental prescribing patterns in context of all prescribing. Published around 4 ½ months after the end of the calendar year Accessible via the NHS IC internet as PDF documents. Information collected by NHS Business Services authority covering all prescriptions. No additional burden on front line Publications are subject to a standard NHS IC risk assessment prior to issue. Aggregate data. No disclosure risk Report measure Workforce Accuracy Relevance Comparability Timeliness Accessibility Burden Confidentiality Data is collected and supplied by NHS Business Services authority. Once received the data is validated, including comparison checks to previous years with anomalies questioned with data supplier. All information is quality assured prior to publication by the BSA The statistics address Dental workforce data, including different types of dentist, dental contract types and joiners, within England. These are used by the Department of Health, to answer Parliamentary Questions, press queries and are available for use by any NHS organisation or the general public. Due to the time-limited nature of Personal Dental Services (PDS) agreements the figures from 2008/09 may be affected by how PCTs maintain the Payments On Line system (POL). Many PDS contracts are set up for a limited three year period. In anticipation that these contracts would expire, some dentists are known to have exercised their statutory right to have their PDS contracts terminated, and be issued with GDS contracts, action would have had an immediate effect in reclassifying all performers who had worked under these PDS agreements to GDS agreements and should be considered when interpreting information by contract type at both a national and local level. The data is made available as soon as possible after it has been validated and compiled (August each year). Accessible via the NHS IC internet as PDF documents and excel spreadsheets. Information collected by NHS Business Services authority covering all prescriptions. No additional burden on front line Publications are subject to a standard NHS IC risk assessment prior to issue. For more detailed descriptions of datasets used in the NHS IC’s dental publications see the beginners guide to dental data at http://www.ic.nhs.uk/pubs/dental Aggregate data. No disclosure risk