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Kent & Medway HIS. Analysis of QMAS Disease Prevalence Data Kent & Medway. August 2005. Produced by Helen Buttivant Senior Public Health Information Analyst, Kent & Medway Health Informatics Service Tel: 01622 793594 E-Mail: helen.buttivant@nhs.net. Kent & Medway HIS. Contents of Report:.

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analysis of qmas disease prevalence data kent medway

Kent & Medway HIS

Analysis of QMAS Disease Prevalence Data Kent & Medway

August 2005

Produced by Helen Buttivant

Senior Public Health Information Analyst, Kent & Medway Health Informatics Service

Tel: 01622 793594 E-Mail: helen.buttivant@nhs.net

contents of report

Kent & Medway HIS

Contents of Report:
  • Analysis of Disease Prevalence at 3 levels:
      • National
      • PCT
      • Practice
  • Evaluation of the QMAS data & comparison to other sources of Disease Prevalence
disease prevalence at pct level

Kent & Medway HIS

Disease Prevalence at PCT Level
  • Comparison of prevalence between PCTs for each individual condition
  • Comparison of prevalence of every condition in each PCT
disease prevalence at practice level

Kent & Medway HIS

Disease Prevalence at Practice Level
  • Comparison of prevalence between Practices for each individual condition
  • Basic analysis of the relationship between practice deprivation and disease prevalence for each individual condition
slide9

Kent & Medway HIS

Methodology for calculating GP Practice Deprivation Scores:

  • GP Practice deprivation scores are weighted estimates based on the National Index of Multiple Deprivation Scores for Kent LLSOAs published in 2004.  
  • The registered population for each Practice is broken down by postcode.
  • Each postcode is assigned a deprivation score (the score for the LLSOA in which the postcode is located).
  • The deprivation score for the postcode is multiplied by the no. of persons registered with the practice that live within that postcode.
  • This calculation is repeated for all postcodes for that practice.
  • These figures are then summed to give a total for that practice.
  • This total figure is then divided by the total registered population of the practice to give an overall weighted deprivation score.
evaluation of the qmas data

Kent & Medway HIS

Evaluation of the QMAS data
  • Issues regarding data capture and disease register inclusion criteria
  • Data limitations:
    • Comparison to other sources of national prevalence rates
    • Local effects
slide13

Kent & Medway HIS

Sources:

CHD - Health Survey for England, 2003

LVD - Heart of England Screening Study 2001: Davies MK, Hobbs FDR, Davis RC, Kenkre JE, Roalfe AK, Hare R, Wosornu D, Lancashire RJ (2001) Prevalence of left-ventricular systolic dysfunction and heart failure in the Echocardiographic Heart of England Screening study: a population based study. The Lancet 358:439-444.

Stroke / TIA - Health Survey for England, 2003

Hypertension - Health Survey for England, 2003

Diabetes - Yorkshire Public Health Observatory PBS Diabetes Prevalence Model 2005

COPD - Lung Report III, British Lung Foundation Report 2000

Epilepsy - The National Society for Epilepysy : J.W. Sander, The incidence and prevalence of epilepsy, 2003

Hypothyroidism - Vanderpump MP, Tunbridge WM.Epidemiology and prevention of clinical and subclinical hypothyroidism.Thyroid. 2002 Oct;12(10):839-47.

Cancer - ONS National Cancer Intelligence Database, 2002

Asthma – Asthma UK / National Asthma Campaign

what else has been done

Kent & Medway HIS

What else has been done?
  • Birmingham and Black Country SHA
  • North Tees PCT
  • Our future plans
slide15

Kent & Medway HIS

Any Questions?