International Journal of Cancer
Cancer cases more than quadrupled in Japan’s oldest adults
Cases among people aged 85 or older rose more than four-fold from 1995 to 2020, reaching 15.7% of all cases in 2020.Cases among people aged 85 or older rose more than four-fold from 1995 to 2020, reaching 15.7% of all cases in 2020.
Cross-sectional study in peopleCancer
Who was studiedAdults aged ≥ 85 years in Japan, 1995 to 2020
What changedCancer cases among the oldest-old increased more than four-fold from 1995 to 2020
The catchSwitching from national estimates to registry counts could distort the trend