“…In the four institutions where patients were treated only with corticosteroids during these two periods of time, mortality de¬ creased by 48% to 84% in all institutions within a span of 10 to 20 years.110"15 Thus, improvement in survival during those years must, in whole or in part, be due to factors other than the introduction of adjuvant therapies, such as a diagnosis of a mild form of the disease, earlier initiation of therapy, and better treatment of complications.1 66 (20.5) 64(28.1) 35 (30) 12 (57) 13 (45) 25 (32) Unfortunately, there has been no further reduction in mortality during the past decade (average, 6.2%; range, 0% to 10%). Mortality continued to decline rap¬ idly in the 1960s and 1970s, to an average of 5.9%, coincident with the introduction of adjuvant therapy with immunosuppressive drugs.…”