Table 4 Time to second malignancy

From: Long-term survival after treatment for Hodgkin’s disease (1973–2002): improved survival with successive 10-year cohorts

Survival

Year 1

Year 5

Year 15

Cohort 1973–82

0.7999

0.6627

0.5882

Cohort 1983–92

0.9049

0.8105

0.7530

Cohort 1993–2002

0.9536

0.8822

0.8258

Log-rank (χ2) =37.82, P<0.001, Peto-Peto (χ2)=40.6, P<0.001, Wald test (χ2)=34.60, P<0.001

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