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. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: Alzheimer Dis Assoc Disord. 2021 Jan-Mar;35(1):62–67. doi: 10.1097/WAD.0000000000000408

Table 4.

Base Rate of AC Stages by Different Diagnostic Standards among A+ Individuals Diagnosed as Cognitively Normal

Standard for AC Stage 2 Base Rate for Meeting Standard for AC Stage 2 Base Rate for Meeting Standard for AC Stage 1
At least 1 criterion met 57.40% 42.60%
At least 2 criteria met 28.70% 71.30%
All 3 criteria met 6.90% 93.10%

Note. In this framework, AC Stage 1 would be defined by not meeting the standard for AC Stage 2.