Table 1

The cost of providing the interventions — guidelines, prioritised criteria or criteria plus feedback (total number of practices = 81).

InterventionAsthmaAngina
Guidelines
 Total purchase cost (£)791.23849.24
 Practices (n)2727
 Mean cost per practice (£)29.3031.45
Prioritised criteria
 Development time (£)397.74397.74
 Cost of printed cards (£)122.64154.31
 Total for audit criteria (£)518.38551.05
 Practices (n)5454
 Mean cost per practice (£)9.6010.20
Feedback
 Data collection costs (£)152.14152.14
 Provision of feedback (£)17.9317.93
 Practices (n)2727
 Audit criteria/practice (£)9.6010.20
 Mean total cost per practice (£)179.67180.29
  • Values are 1999/2000 £ sterling.