rs3818361(A;A)

1.2x increased risk for late-onset Alzheimer's

Magnitude
1.2Minor
Repute
Bad
Frequency
10%Average of 11 populations
On SNPedia
rs3818361(T;T)Minus strand
Gene
CR1

Frequency

Share of people with A;A in each HapMap population.

  • Yoruba (Nigeria)22%
  • African ancestry (Southwest US)18%
  • Maasai (Kenya)15%
  • Chinese (Denver)14%
  • Han Chinese (Beijing)12%
  • Japanese (Tokyo)12%
  • European ancestry (Utah)10%
  • Luhya (Kenya)6%
  • Tuscan4%
  • Gujarati Indian1%
  • Mexican ancestry (Los Angeles)0%

Other genotypes of rs3818361

  1. G;GNot ratednormalTypical · 0.050% of people
  2. A;GBad1.15x increased risk for late-onset Alzheimer'sMinor · 1.140% of people

All about rs3818361

Source and license

Adapted from rs3818361(T;T) on SNPedia, using a snapshot taken October 16, 2026. SNPedia content is shared under CC BY-NC-SA 3.0 US, and this page is shared under the same license.

SNPedia is a community-edited wiki. Its entries can be incomplete, out of date or wrong, and nothing here is a diagnosis or medical advice. Magnitude is a community rating of how interesting a genotype is, not a risk score.