Table 2

Overall characteristics and representativeness of the PMCPA sample (n = 36 practices) compared to all England.

nMeanSD10th percentileMedian90th percentile
Overall QOF achievement 2007
 All England837289.85.084.790.894.1
 Pilot cohort3689.95.086.791.093.7
SOA IMD (deprivation)
 All England858226.017.17.421.651.3
 Pilot cohort3630.617.28.231.451.2
List size 2007
 All England8582642239652238559011 784
 Pilot cohort36635540672280505713 054
  • IMD = Index of Multiple Deprivation. SD = Standard deviation. SOA = Super Output Areas.