Table 3

Frequencies of genetic polymorphisms in the EPHX gene in control poulations

Study	Kind of controls	Race	Exon 3 (Tyr113 Tyr113; Tyr113 His113; His113 His113)	Exon 4 (His139 His139; His139 Arg139; Arg139 Arg139)
Hassettet al 12	Population based controls	White	36; 56; 8	58; 37; 5
McGlynnet al 18		Population based controls		Chinese	26; 40; 34
McGlynnet al 18		Population based controls		African	69; 22; 8
Lancester et al 15	Females without cancer	White	41; 44; 15
Wanget al 14	Females without spontaneous abortion	Chinese	27; 31; 42	78; 22; 1
Smith and Harrison19	Population based controls	White	45; 49; 6	72; 26; 2
Benhamou et al 20	Males/females without cancer	White	37; 45; 18	70; 29; 1
Salama et al ⁸	Population based controls	?	40; 48; 12
Present study	Healthy females with uncomplicated obstetric history	White	16; 40; 44	64; 33; 2