Skip to main content
. Author manuscript; available in PMC: 2020 Aug 1.
Published in final edited form as: J Am Acad Dermatol. 2019 Feb 5;81(2):386–394. doi: 10.1016/j.jaad.2019.01.079

Table 1:

Number of participants and families by ascertainment center

GenoMEL Center Participants* Families Average number of participants per family Average number of affected members per family
Barcelona, ES 44 25 1.8 2.1
Bethesda, US 199 46 4.3 4.8
Cesena, IT 50 24 2.1 2.1
Copenhagen, DK 47 34 1.4 2.5
Genoa, IT 34 16 2.1 2.3
Leeds, GB 158 77 2.1 2.8
Leiden, NL 210 60 3.5 4.6
Ljubljana, SI 9 4 2.3 2.3
Lund, SE 20 7 2.9 4.4
Montevideo, UY 8 4 2.0 2.0
Paris, FR 341 176 1.9 2.5
Philadelphia, US 78 36 2.2 2.4
Porto Allegre, BR 9 5 1.8 2.2
Queensland, AU 96 21 4.6 6.2
Riga, LV 5 5 1.0 2.6
Santiago, CL 3 2 1.5 2.0
São Paulo, BR 13 8 1.6 2.1
Stockholm, SE 39 21 1.9 2.8
Sydney, AU 722 305 2.4 3.4
Tel Aviv, IL 21 18 1.2 2.0
Valencia, ES 10 6 1.7 2.2
Total 2116 900 2.2 3.1
*

Verification of melanoma was available for >99% of participants by: pathology report (74%), physician letter or clinical document verifying melanoma diagnosis (23%), cancer registry data (2%), or death certificate (<1%). Excludes affected individuals with a diagnosis of non-cutaneous melanoma or who are members of melanoma families by marriage and not ancestry.

Family members with a melanoma of the uveal tract or conjunctiva did not contribute to defining a melanoma family.

Includes only participants who contribute to prediction modeling.

Includes family members who may not contribute to prediction modeling because of missing data.