Longitudinal analyses of four years of experience of a prepaid comprehensive medical care plan. 1958.

The spectacular contributions of science to medicine and the popularization of the results have greatly stimulated the demand on the part of the public for making modern medical benefits more readily accessible to a larger portion of the population. But the very advances which have stimulated this demand and which have focused attention on the preventive aspects of disease have also contributed greatly to the cost of medical care. On the one hand, this increased cost has led to an enormous growth in the application of the insurance principle to prepayment for medical and hospital care; on the other, it has led to new approaches in the organization of medical practice to provide this care. These changes in the methods of paying for and of providing medical care are comparative newcomers among American social institutions. Provision for prepayment of hospitalization began in 1933 with the establishment of Blue Cross plans. Prepayment of medical care is an even more recent phenomenon. Fewer than six persons per 1,000 held surgical and medical insurance in 1939. Today, according to the Health Information Foundation,2 almost 70 per cent of the population is protected or “covered” by some combination of hospital, surgical, or medical insurance. On the organizational side change has been less rapid, but there has been a steady growth in the number of group practice organizations. It has been estimated3 that while in 1932 there were 239 medical groups