Association between the insulin-like growth factor 1 gene rs2195239 and rs2162679 polymorphisms and cancer risk: a meta-analysis

Table 2 Characteristics of the studies included in the meta-analysis for rs2162679

First author	Year	Country/Region	Ethnicity	Cancer type	Genotyping method	Age(y) Case/Control	Control source	Case			Control			HWE
First author	Year	Country/Region	Ethnicity	Cancer type	Genotyping method	Age(y) Case/Control	Control source	AA	AG	GG	AA	AG	GG	HWE
Canzian [14]	2006	Europe	Caucasian	Breast cancer	Taqman	35–69/35–69	PB	570	212	19	1060	446	61	Y
Chia [15]	2008	USA	Mix	TGCT	Taqman	≤45/≤45	PB	408	149	16	492	188	23	Y
Lonn [16]	2008	USA	Mix	Brain tumor	Taqman	≥18/≥18	HB	313	97	10	300	103	9	Y
Ennishi [20]	2011	Japan	Asian	Stomach cancer	Taqman	NR	HB	330	293	80	608	637	217	N
Nakao [21]	2011	Japan	Asian	Pancreatic cancer	Taqman	20–79/20–79	HB	70	87	19	580	613	209	N

Abbreviations: TGCT testicular germ cell tumors, PB population-based, HB hospital-based, HWE Hardy-Weinberg equilibrium, Y polymorphisms conformed to HWE in the control group, N polymorphisms did not conform to HWE in the control group

ISSN: 1471-2350