Table 5

Comparison of survival between participants in the cohort and non-participants*

Estimated cumulative survival probabilities by year from diagnosis (95% CI)
Non-participantsBRIGHTLIGHT cohort
1 year0.98 (0.97 to 0.98)0.98 (0.97 to 0.99)
2 years0.95 (0.94 to 0.96)0.92 (0.91 to 0.94)
3 years0.93 (0.92 to 0.94)0.89 (0.87 to 0.91)
4 years0.92 (0.91 to 0.93)0.88 (0.85 to 0.90)
  • Log rank test p value <0.0001.

  • *Non-participants were young people diagnosed in the same time frame as the BRIGHTLIGHT cohort identified by the National Cancer Registration and Analysis Service who were not part of BRIGHTLIGHT.