Table 1.

Years of diagnosis and years of follow-up included in calculations of 5-year survival later observed for patients diagnosed in various calendar years and in estimates of 5-year survival potentially available at the end of those calendar years by cohort, complete, and period analysis

Observed
Cohort analysis
Complete analysis
Period analysis
Years of diagnosisYears of follow-upYears of diagnosisYears of follow-upYears of diagnosisYears of follow-upYears of diagnosisYears of follow-up
19781978-198319731973-19781973-19781973-19781973-19781978
19791979-198419741974-19791974-19791974-19791974-19791979
19801980-198519751975-19801975-19801975-19801975-19801980
19961996-200119911991-19961991-19961991-19961991-19961996