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. 2011 Aug;7(1):41–54.

TABLE 2.

2005/06 values for equation component, specialty and age group

Specialists
GPs / FPs Med Spec Surg Spec Imaging Spec Lab Spec All Physicians
Expenditures per Capita
<25 $107 $48 $31 $13 $20 $218
25−54 $152 $65 $76 $39 $54 $387
55−74 $233 $139 $179 $79 $104 $734
75+ $405 $196 $293 $94 $138 $1,127
TOTAL $172 $83 $98 $43 $60 $455
Patients per Population (the “exposure rate”)
<25 76.5% 18.5% 11.6% 14.7% 26.6% 78.5%
25−54 77.8% 21.8% 20.9% 29.4% 44.7% 79.4%
55−74 88.0% 38.4% 38.0% 45.6% 67.7% 89.5%
75+ 90.4% 48.7% 51.4% 51.3% 74.5% 91.3%
TOTAL 80.2% 25.9% 23.6% 29.7% 45.8% 81.9%
Physicians per Patient
<25 2.5 1.5 1.5 3.9
25−54 2.5 1.7 1.7 5.2
55−74 2.4 2.0 1.9 7.0
75+ 3.0 2.3 2.1 9.3
TOTAL 2.5 1.8 1.8 5.5
Contacts per Physician
<25 1.7 1.9 1.6 1.6
25−54 2.4 2.1 1.8 1.9
55−74 3.3 2.2 1.8 2.1
75+ 4.3 2.3 2.0 2.5
TOTAL 2.5 2.1 1.8 1.99
Expenditures per Contact
<25 $32 $89 $115 $58 $36 $45
25−54 $32 $84 $121 $76 $42 $49
55−74 $34 $82 $137 $82 $39 $55
75+ $36 $76 $139 $79 $31 $52
TOTAL $33 $83 $129 $76 $39 $50
Contacts per Patient (= physicians per patient X contacts per physician)
<25 4.3 2.9 2.3 1.5 2.1 6.2
25−54 6.0 3.5 3.0 1.8 2.9 9.9
55−74 7.7 4.4 3.4 2.1 3.9 15.0
75+ 12.6 5.3 4.1 2.3 5.9 23.7
TOTAL 6.4 3.9 3.2 1.9 3.4 11.0

Note: All numbers reflect age-standardization within broad age bands. We used a direct standardization approach, standardizing 1996/97 utilization rates to the 2005/06 population.

Notes for reading the table: Rows are additive only for “expenditures per capita.” For the other terms of the equation, the denominators differ by column, which makes it impossible to add the values. The “all physician” column is calculated separately. For example, 80.2% of the overall population saw a GP in 2005/06, 25.9% saw a medical specialist and so on. Overall, 81.9% of the population saw at least one physician, meaning that most people who see specialists also had at least one visit with a GP. Denominators also differ across terms of the equation so, for example, while “patients per population” is a population-based measure, “physicians per patient” is the number of physicians seen for individuals who had at least one visit (i.e., excluding non-users).

Numbers in the grey cells were not calculated because payment data make them impossible to interpret.