In the application of vital statistics to medical problems there are many opportunities for misinterpretation. The misuse "in certain quarters" of the mortality statistics for diabetes mellitus and pernicious anemia to disprove the claim of discovery of effective remedies has recently been pointed out by an expert statistician.1
The opposition of certain groups to experimental research has gathered support by the citing of the relatively static mortality from these two diseases since the introduction of insulin and of liver therapy. Enlightened thinkers will scarcely accept this view, but it has remained to Stocks1 to show the fundamental unreliability of the evidence. He points out that the remedies employed are claimed to be curative only so long as treatment is continued. Therefore every patient under treatment for either of these two diseases must eventually die of one of three groups of causes: (1) a relapse of the disease due
LENGTHENING OF LIFE IN PERNICIOUS ANEMIA AND DIABETES. JAMA. 1935;105(1):34. doi:10.1001/jama.1935.02760270036014
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