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To the Editor:—
There has been brought to my attention the review in your issue of April 26 of the "Blood Pressure Study (1939)," published by the Joint Committee of the Association of Life Insurance Medical Directors and the Actuarial Society of America. One of the most important investigations ever made of this subject has been dismissed in a review of thirtyfive lines, one half of which is devoted to a minor point.For the first time an analysis has been published of a large experience in which both systolic and diastolic readings have been taken into account. The results show that neither the diastolic nor the systolic is the more important factor. This may be learned from the study, together with other indications such as that a low systolic with a low diastolic blood pressure shows a favorable mortality. In the following table the percentages refer to departures
Hunter A. BLOOD PRESSURE. JAMA. 1941;117(1):62. doi:10.1001/jama.1941.02820270062025