Table 1 GWAS studies of nevus count contributing to the present meta-analysis

From: Novel pleiotropic risk loci for melanoma and nevus density implicate multiple biological pathways

Study 

Nevus assessment

SNP chip

Imputation

Individuals (families)

Age range (mean)

Location (center)

ALSPAC39

Self-count on limbs

550k

1000Gv.3

3309

14–17 (15.5)

UK (Bristol)

Harvard8

Self-count >3 mm on limbs

Affy+Illumina various

1000Gv.3

32,975

35–75 (52)

US (Boston)

Leeds40

Whole-body count >2 mm

OmniExpressExome

HRC v.1

397

21–80 (57)

Yorkshire

QIMR BTNS children3

Whole-body count >0 mm

610k, CoreExome

1000Gv.3

3261 (1309)

9–23 (12.6)

SE Queensland (Brisbane)

QIMR BTNS parents9

Self-rating 4-point scale

610k+CoreExome

1000Gv.3

2248 (1299)

29–72 (44.1)

SE Queensland

QIMR adult twins41

Self-rating 4-point scale

317k+370k+610k+CE

1000Gv.3

1848 (1113)

29-–79 (52.3)

Australia wide

QIMR >50 twins42

Self-count right arm >4 mm

370k+610k+CE

1000Gv.3

893 (596)

50–92 (60.7)

Australia wide

Raine43

Nurse-count right arm

660k

1000Gv.3

808

22

Western Australia (Perth)

Rotterdam44

Whole-body rating 4-pt scale

550k, 610k

1000Gv.3

3319

51–98 (67)

Rotterdam (NL)

TEST45

Whole-body count >0 mm

610k+CE

1000Gv.3

136 (71)

5–18 (9.7)

Tasmania+Victoria

Twins UK5

Whole-body count >2 mm

317k+610k+1M+1.2M

1000Gv.3

3312 (1839)

18–80 (47)

UK wide (London)

Total nevus

   

52,506

  

Melanoma GWASMA10

   

12,874 cases; 23,203 controls

  

Nevus+melanoma

   

88,583 (inc. controls)