Is there a meaningful way to boil it down to a single number? Like for instance, in wealthier countries, rates of esophageal cancer dropped. Maybe because of b

Is there a meaningful way to boil it down to a single number? Like for instance, in wealthier countries, rates of esophageal cancer dropped. Maybe because of better drugs for treating reflux. How is that expected to relate to rates of kidney cancer in poorer countries?