Variable | Cases | Controls | Difference [95% Confidence Interval] | Difference % | |
---|---|---|---|---|---|
 |  | Unmatched | Matched |  |  |
GP characteristics | |||||
Proportion of female GPs | 0.37 | 0.34 | 0.35 | 0.02 [-0.06 to 0.12] | 5.7% |
Average age of GPs | 46.2 | 45.5 | 44.1 | 2.1 [-1.6 to 3.5] | 4.7% |
Proportion of GPs over 55 years | 0.19 | 0.12 | 0.10 | 0.09 [0.03 to 0.16] | 90% |
Practice size | |||||
Numbers of GPs per practice | 2.9 | 4.9 | 3.9 | -1.0 [-1.7 to -0.4] | -25.7% |
Single-handed practice | 0.23 | 0.11 | 0.11 | 0.12 [-0.07 to 0.21] | 109% |
One or two partner practice | 0.44 | 0.35 | 0.27 | 0.17 [-0.07 to 0.31] | 62.9% |
Services offered | |||||
Practice does not offer minor surgery | 0.18 | 0.04 | 0.08 | 0.10 [-0.04 to 0.19] | 125% |
Minor surgery payments (£ per capita) | 0.67 | 0.92 | 0.82 | -0.25 [-0.42 to -0.09] | -18.3% |
Night visit claims per capita | 0.03 | 0.03 | 0.03 | -0.00 [-0.002,0.004] | 0.0% |
Quality markers | |||||
Training practice | 0.18 | 0.25 | 0.21 | -0.03 [-0.2, to 0.01] | -14.3% |
Practice Accreditation | 0.19 | 0.25 | 0.24 | -0.05 [-0.16 to 0.14] | -20.9% |
Quality Practice Award | 0.00 | 0.06 | 0.04 | -0.04 [-0.06 to -0.01] | 100% |
Personal Medical Services | 0.00 | 0.03 | 0.06 | -0.06 [-0.10 to -0.02] | 100% |
Resources/workload | |||||
GPs per 1000 population | 0.57 | 0.88 | 0.66 | -0.09 [-0.14 to,-0.03] | -15.7% |
WTE GPs per 1000 population | 0.58 | 0.90 | 0.73 | -0.15 [-0.29 to -0.02] | -21.6% |
Total GMS payments | 47.9 | 57.8 | 53.4 | -4.5 [-6.1 to -2.2] | -10.3 |