The question as to the significance of albumin and casts in the urine of apparently healthy men is a much-mooted one, the answering of which, from a clinical point of view, has been difficult on account of the scarcity of cases in hospital and private work, and the impossibility of following them through a number of years. During the late nineties several of the large New York insurance companies began to insure men with this condition, and since then records of a large number of such cases have accumulated. It was through the courtesy of one of these companies that we were given an opportunity to investigate the above-mentioned problem under very promising conditions.
The material placed at our disposal consisted of 396 men, residents of New York City, who were insured during 1900-1901. As far as an ordinary physical examination could determine, they were normal at that time except
BARRINGER TB, Warren M. THE PROGNOSIS OF ALBUMINURIA WITH OR WITHOUT CASTS. Arch Intern Med (Chic). 1912;IX(6):657-664. doi:10.1001/archinte.1912.00060180019002