Document Detail

Audit of preventive activities in 16 inner London practices using a validated measure of patient population, the 'active patient' denominator. Healthy Eastenders Project.
MedLine Citation:
PMID:  7546868     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Reliable comparison of the results of audit between general practices and over time requires standard definitions of numerators and denominators. This is particularly relevant in areas of high population turnover and practice list inflation. Without simple validation to remove supernumeraries, population coverage and professional activity may be underestimated. AIM: This audit study aimed to define a standard denominator, the 'active patient' denominator, to enable comparison of professional activity and population coverage for preventive activities between general practices and over time. It also aimed to document the extent to which computers were used for recording such activities. METHOD: A random sample of people in the age group 30-64 years was drawn from the computerized general practice registers of the 16 inner London general practices that participated in the 'healthy eastenders project'. A validation procedure excluded those patients who were likely to have died or moved away, or who for administrative reasons were unable to contribute to the numerator; this allowed the creation of the active patient denominator. An audit of preventive activities with numerators drawn from both paper and computerized medical records was carried out and results were presented so that practices could compare their results with those of their peers and over time. RESULTS: Of the original sample of 2331 people, 25% (practice range 13%-37%) were excluded as a result of the validation procedure. A denominator based on the complete, unexpurgated practice register rather than the validated active patient denominator would have reduced the proportion of people with blood pressure recorded within the preceding five years from 77% to 61%, recording of smoking status from 68% to 53% and recording of cervical smears from 80% to 66%. Only 53% of the last recordings, within the preceding five years, of blood pressure and only 54% of those of smoking status were recorded on the practice computer. In contrast, 82% of recorded cervical smears were recorded on computer. CONCLUSION: The active patient denominator produces a more accurate estimate of population coverage and professional activity, both of which are underestimated by the complete, unexpurgated practice register. A standard definition of the denominator also allows comparisons to be made between practices and over time. As only half of the recordings of some preventive activities were recorded on computer, it is doubtful whether it is advisable to rely on computers for audit where paper records are also maintained.
J Robson; M Falshaw
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The British journal of general practice : the journal of the Royal College of General Practitioners     Volume:  45     ISSN:  0960-1643     ISO Abbreviation:  Br J Gen Pract     Publication Date:  1995 Sep 
Date Detail:
Created Date:  1995-10-31     Completed Date:  1995-10-31     Revised Date:  2010-03-24    
Medline Journal Info:
Nlm Unique ID:  9005323     Medline TA:  Br J Gen Pract     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  463-6     Citation Subset:  IM    
Department of General Practice, Queen Mary and Westfield College, London.
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MeSH Terms
Attitude to Health
Family Practice / statistics & numerical data*
Health Promotion*
Medical Audit
Middle Aged
Preventive Medicine / statistics & numerical data*
Random Allocation

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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