从55岁到75岁,患痴呆的风险大约是4%

来源: 2025-01-13 10:50:34 [旧帖] [给我悄悄话] 本文已被阅读:

that mens  population of 55-75

4 out of 100 

it can't be 4% every year after 55, because 1.04^20=219% after 20 years which is invalid #.