
1) The Organisation for Economic Co-operation and Development (OECD) compiled data for the number of CT (Computed
Tomography) units per million population and the average annual spending on health care in several countries.
2) Overall, there is pretty good correlation between the number of CT units and the average annual spending on health care
across these countries. In general, the more CT units in a particular country, the more spent annually on health care. Since no
cause and effect is implied, this also can be looked at the other way around - the more spent annually on health care, the more
CT units there are in a particular country.
3) One significant exception to the correlation is Korea. It has more CT units (32) per million population than any other country
reviewed, yet annually spends only $1100 per person on health care.
4) The US spends the most annually on health care at about $5700 per person and has 29 CT units per million population.
5) Three other correlation exceptions are Belgium, Austria, and Italy. They have 103%, 93%, and 83% of the CT units per
million population as the US, while spending 53%, 52%, and 41% as much on health care as the US.
6) At the other end of the spectrum, Mexico has only 3 CT units per million population while annually spending $600 per
person.
CT (Computed Tomography) Units vs. Health Care Spending by Country
Supporting Evidence
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