Representativeness of Quality and Outcomes Framework National Institute for Health and Clinical Excellence practices—Pilot 1 (October 2009–March 2010)
| N | Mean | SD | 10th Percentile | Median | 90th Percentile | ||
| Overall Quality and Outcomes Framework achievement 2006/07 | All England | 8352 | 89.8 | 5.0 | 84.7 | 90.8 | 94.1 |
| Cohort 1 | 28 | 91.1 | 4.4 | 85.4 | 91.3 | 95.9 | |
| SOA Index of Multiple Deprivation 2007 | All England | 8279 | 26.0 | 17.1 | 7.4 | 21.6 | 51.3 |
| Cohort 1 | 28 | 26.8 | 16.8 | 7.1 | 22.9 | 58.5 | |
| List size 2006 | All England | 8352 | 6422 | 3965 | 2238 | 5590 | 11 784 |
| Cohort 1 | 28 | 6473 | 4717 | 2534 | 4923 | 12 500 |
SOA, super output area.