Studies show that countries with more hospitals per capita have higher mortality rates from heart disease than countries with fewer hospitals. Which of the following most helps to explain this apparently paradoxical result?
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A
Heart disease treatments have improved significantly in recent decades.
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B
Countries with higher rates of heart disease invest more in hospital infrastructure to treat the problem.
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C
Hospitals are more expensive to operate in developed countries.
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D
Heart disease affects people of all ages and demographic groups.
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E
Medical training standards vary significantly across countries.