. Author manuscript; available in PMC: 2020 Apr 1.

Published in final edited form as: Am J Med Genet A. 2019 Feb 4;179(4):525–533. doi: 10.1002/ajmg.a.61053

Table V.

Incidence of Molecular Subtypes between Cohorts

Molecular Type	Our Cohort	European/North American Cohort	Asian Cohort
Molecular Type	%	%	%
IC1 GOM¹	10.8%^a	8.6%^a	6.1%^a
IC2 LOM²	48.2%^a	62.2%^b	60.6%^a,b
pUPD11³	29.5%^a	24.4%^a	20.2%^a
CDKN1C mutation	3.6%^a,b	3.2%^a	7.1%^b
Chromosome 11p15 abnormality	7.9%^a	1.7%^b	6.1%^a

Imprinting center 1 gain of methylation

Imprinting center 2 loss of methylation

Paternal uniparental disomy of chromosome 11

^{a, b}

Subset of cohort categories whose column proportions do not differ significantly from each other at the 0.05 level