{{Rsnum
|rsid=11661542
|Chromosome=18
|position=22643732
|Orientation=plus
|GMAF=0.3646
|Assembly=GRCh38
|GenomeBuild=38.1
|dbSNPBuild=141
|geno1=(A;A)
|geno2=(A;C)
|geno3=(C;C)
}}{{ population diversity
| geno1=(A;A)
| geno2=(A;C)
| geno3=(C;C)
| CEU | 23.0 | 56.6 | 20.4
| HCB | 16.8 | 53.3 | 29.9
| JPT | 18.6 | 50.4 | 31.0
| YRI | 0.0 | 8.8 | 91.2
| ASW | 0.0 | 26.3 | 73.7
| CHB | 16.8 | 53.3 | 29.9
| CHD | 20.4 | 50.0 | 29.6
| GIH | 18.8 | 59.4 | 21.8
| LWK | 0.0 | 6.4 | 93.6
| MEX | 5.2 | 44.8 | 50.0
| MKK | 0.6 | 12.2 | 87.2
| TSI | 19.8 | 54.5 | 25.7
| HapMapRevision=28
}}

Based on a large study (~6,000 cases and 14,000 controls) of both European and Japanese populations, the [[rs11661542]](C) allele has been associated with higher risk of [[aneurysm]], with an odds ratio per allele of 1.22 (CI: 1.15-1.28, p=1.1e-12). {{PMID|20364137|OA=1
}}

{{omim
|id=105800
|rsnum=11661542
}}

{{on chip | 23andMe v1}}
{{on chip | 23andMe v2}}
{{on chip | 23andMe v3}}
{{on chip | 23andMe v4}}
{{on chip | HumanOmni1Quad}}
{{on chip | Illumina Human 1M}}