Trends in survival for childhood cancer in Britain diagnosed 1971-85.

There was a substantial number of deaths among children with ALL more than 5 years after diagnosis; the improvement in survival during the 1970s persisted until at least 10 years after diagnosis. Survival rates for acute non-lymphocytic leukaemia (ANLL) were consistently lower than for ALL (Figure 2). There was nevertheless a significant trend towards higher rates for children diagnosed more recently, with the largest improvement occurring between 1974-76 and 1977-79.

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There were highly significant improvements (P less than 0.001 for trend) in survival for many major diagnostic groups.

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