Table 5.
Association between practice characteristics and estimated mortality reduction: PHI(11) scores
| Practice characteristic | Unadjusted coefficient, B (95% CI) | Adjusted coefficient, B (95% CI) | Standardised adjusted coefficient, β(P value) | |
|
| ||||
| Patients | ||||
| Patients aged ≥65 years, % | 5.10 (5.02 to 5.18) | 1.89 (1.83 to 1.95) | 0.29 (<0.001) | |
| South Asian population, % | −0.42 (−0.47 to −0.37) | 0.00 (−0.01 to 0.02) | 0.00 (0.728) | |
| Black/black British population, % | −1.14 (−1.28 to −1.00) | −0.09 (−0.13 to −0.04) | −0.02 (<0.001) | |
|
| ||||
| Disease prevalence | ||||
| Prevalence factor | 1.08 (1.07 to 1.09) | 0.82 (0.81 to 0.83) | 0.70 (<0.001) | |
|
| ||||
| Practice | ||||
| GP training practice | 3.00 (1.67 to 4.33) | −0.80 (−1.27 to −0.32) | −0.01 (0.001) | |
| Practice list sizea | 0.01 (−0.00 to 0.02) | −0.02 (−0.02 to −0.01) | −0.02 (<0.001) | |
| List size per fte GPa | −0.29 (−0.35 to −0.22) | 0.03 (0.01 to 0.05) | 0.01 (0.014) | |
|
| ||||
| Area | ||||
| North versus South | 23.29 (16.01 to 30.57) | 5.06 (3.63 to 6.49) | 0.07 (<0.001) | |
| IMD-2010 score | −0.25 (−0.29 to −0.21) | −0.07 (−0.08 to −0.05) | −0.03 (<0.001) | |
|
| ||||
| Variance overall (95% CI) | % | Unexplained (residual) variance (95% CI) | % | |
|
| ||||
| PCT level | 563.5 (446.8 to 710.7) | 47 | 15.6 (12.2 to 20.1) | 21 |
|
| ||||
| Practice level | 637.9 (618.3 to 658.2) | 53 | 59.3 (57.4 to 61.2) | 79 |
fte = full-time equivalent. IMD = Index of Multiple Deprivation. PCT = primary care trust.
a
Measured in 100s of patients.