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Table 2 Indicators of structure and distribution of primary medical services and their correlations with GP supply, deprivation and mortality.

From: Availability and structure of primary medical care services and population health and health care indicators in England

  Median (interquartile range) Correlation with:
   GP supplya,b Townsend scorea,b All-cause mortalitya,b,c
Supply of services     
GP supply (wte per 10,000 weighted population) 5.8 (5.2 to 6.3) - -0.47 -0.68
Characteristics of registered patients     
Rural patients (%) 4.82 (0.23 to 14.19) 0.38 -0.59 -0.48
Patients ≥ 75 years (%) 7.27 (6.53 to 7.86) 0.10 -0.48 -0.41
Structure of services     
Mean partnership size (partners) 3.07 (2.47 to 3.82) 0.53 -0.65 -0.57
Single handed practices (%) 30 (16 to 40) -0.49 0.61 0.50
GPs aged ≥ 61 years (%) 4 (3 to 8) -0.30 0.60 0.41
Practices with a female GP (%) 62 (53 to 73) 0.68 -0.49 -0.52
Type of services     
Per cent of practices with:     
Diabetes services 94 (90 to 98) 0.25 -0.51 -0.33
Child health surveillance services 93 (88 to 98) 0.13 -0.52 -0.35
Contraceptive services 95 (91 to 98) 0.37 -0.50 -0.44
  1. a figures are correlation coefficients b based on 99 observations, a correlation coefficient >0.33 gives a P value <0.001, and >0.20 gives P < 0.05, in a two tailed test c standardised mortality ratio for all cause mortality at ages 15 to 64 years GP, general practitioner; IQR, interquartile range; wte, whole time equivalent