Table 6.
Association between practice characteristics and achievement (%) of maximum potential mortality reduction: PHI(11)% performance scores
| Practice characteristic | Unadjusted coefficient, B (95% CI) | Adjusted coefficient, B (95% CI) | Standardised adjusted coefficient, β(P value) | |
|
| ||||
| Patients | ||||
| Patients aged 65 years or over, % | 0.21 (0.19 to 0.23) | −0.07 (−0.10 to −0.04) | −0.09 (<0.001) | |
| South Asian population, % | −0.07 (−0.07 to −0.06) | −0.04 (−0.05 to −0.04) | −0.15 (<0.001) | |
| Black/black British population, % | −0.15 (−0.17 to −0.13) | −0.07 (−0.08 to −0.05) | −0.11 (<0.001) | |
|
| ||||
| Disease prevalence | ||||
| Prevalence factor | 0.05 (0.05 to 0.05) | 0.05 (0.05 to 0.06) | 0.37 (<0.001) | |
|
| ||||
| Practice | ||||
| GP training practice | 0.22 (0.03 to 0.42) | −0.01 (−0.21 to 0.20) | 0 (0.935) | |
| Practice list sizea | 0.00 (−0.00 to −0.00) | 0 (−0.01 to −0.00) | −0.05 (<0.001) | |
| List size per fte GPa | −0.03 (−0.04 to −0.02) | −0.01 (−0.02 to −0.00) | −0.03 (0.009) | |
|
| ||||
| Area | ||||
| North versus South | 1.39 (0.77 to 2.00) | 0.38 (−0.06 to 0.82) | 0.04 (0.093) | |
| IMD-2010 score | −0.04 (−0.05 to −0.04) | −0.03 (−0.04 to −0.03) | −0.14 (<0.001) | |
|
| ||||
| Variance overall (95% CI) | % | Unexplained (residual) variance (95% CI) | % | |
|
| ||||
| PCT level | 3.4 (2.6 to 4.3) | 20 | 1.3 (1.0 to 1.7) | 10 |
|
| ||||
| Practice level | 13.4 (13.0 to 13.8) | 80 | 11.4 (11.0 to 11.7) | 90 |
fte = full-time equivalent. IMD = Index of Multiple Deprivation. PCT = primary care trust.
a
Measured in 100s of patients.