Trends and variability in survival from osteosarcoma.

  • 1 November 1978
    • journal article
    • Vol. 53  (11) , 695-700
Abstract
Survival of patients with primary osteosarcoma who received traditional surgical management has been very poor. Several studies have reported the percentage of patients alive 3 years after first treatment to be between 20 and 25%. In a study of such patients first treated at the Mayo Clinic between Jan. 1, 1963, and July 1, 1974, the survival noted in the first few years was typical of that of other reports, about 25%. However, by 1972 through mid-1974, the 3-year survival had become 50%. This improvement was not the result of adjuvant treatment or any basic change in type of patient treated, yet it is similar to that reported in connection with some of the new adjuvant therapies used in trials depending on historical controls. Our results cast doubt on findings made in the absence of concurrent, randomly selected controls.

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