. 2019 Jun 7;28(18):3148–3160. doi: 10.1093/hmg/ddz121

Table 1.

Sample sizes used for GWAS analysis

	BCC		SCC		KC
Study sample	Cases	Controls	Cases	Controls	Cases	Controls
QSkin	1995	4797^a	821	4797^a	8145	4797^a
UKBB	16 847	340 302^a	2274	340 302^a	18 538	340 302^a
eMERGE KC	-	-	-	-	1565	8756
23andMe	12 945	274 252^a	6579	280 558^a	19524^b	280 558^b
Total	31 787	619 351	9674	625 657	47 742	634 413

^aControl sets for QSkin, 23andMe and UKBB GWAS are overlapping. ^bCombined KC analysis GWAS set for 23andMe reported to illustrate effective sample size for the combined KC analysis using MTAG (which accounts for sample overlap); only individual BCC and SCC GWAS were available for 23andMe.