Table 3.
Association between practice characteristics and estimated mortality reduction: PHI scores
| Practice characteristic | Unadjusted coefficient, B (95% CI) | Adjusted coefficient, B (95% CI) | Standardised adjusted coefficient, β (P value) | |
|
| ||||
| Patients | ||||
| Patients aged ≥65 years, % | 9.37 (9.19 to 9.55) | 2.79 (2.64 to 2.95) | 0.22 (<0.001) | |
| South Asian population, % | −0.54 (−0.64 to −0.43) | 0.21 (0.17 to 0.25) | 0.04 (<0.001) | |
| Black/black British population, % | −1.79 (−2.07 to −1.51) | −0.04 (−0.15 to 0.06) | 0.00 (0.417) | |
|
| ||||
| Disease prevalence | ||||
| Prevalence factor | 2.16 (2.14 to 2.18) | 1.80 (1.77 to 1.83) | 0.77 (<0.001) | |
|
| ||||
| Practice | ||||
| GP training practice | 3.17 (0.48 to 5.85) | −2.27 (−3.44 to −1.10) | −0.01 (<0.001) | |
| Practice list sizea | −0.03 (−0.06 to −0.00) | −0.08 (−0.10 to −0.07) | −0.05 (<0.001) | |
| List size per fte GPa | −0.48 (−0.62 to −0.35) | 0.08 (0.03 to 0.14) | 0.01 (0.002) | |
|
| ||||
| Area | ||||
| North versus South | 49.46 (35.72 to 63.20) | 9.43 (6.48 to 12.38) | 0.07 (<0.001) | |
| IMD-2010 score | −0.17 (−0.25 to −0.09) | 0.1 (0.07 to 0.14) | 0.03 (<0.001) | |
|
| ||||
| Variance overall (95% CI) | % | Unexplained (residual)variance (95% CI) | % | |
|
| ||||
| PCT level | 2114 (1675 to 2668) | 45 | 63 (48 to 81) | 15 |
|
| ||||
| Practice level | 2586 (2506 to 2667) | 55 | 364 (352 to 375) | 85 |
fte = full-time equivalent. IMD = Index of Multiple Deprivation. PCT = primary care trust.
a
Measured in 100s of patients.