. 2015 Mar 11;6:107. doi: 10.3389/fimmu.2015.00107

Table 1.

IFNG T + 874A allele frequency distributions across populations.

Ethnicity	Group		Allele frequency (%)			Sample size (n)	p Value (p)
			TT	TA	AA
British	SIDS	Parents	12	56	32	34	0.53
British	Control	Parents	14	44	42	59
Australian	SIDS	Parents	13	55	32	60	0.77
Australian	Control	Parents	18	51	31	55
Australian	SIDS	Infants	25	19	56	16	0.06^a
Hungarian	SIDS	Infants	13	50	38	8	0.89^b 0.39^c
German	SIDS	Infants	22	47	31	45	0.12^d
Combined	SIDS	Infants	22	41	38	69	0.52^e
Bangladeshi	Control		13	50	38	32	0.93^f
Indigenous Australian	Control		39	49	12	75	<0.01^g <0.01^h
Caucasian	Control		16	47	37	114

^aAustralian SIDS infants vs. Australian control parents.

^bHungarian SIDS infants vs. German SIDS infants.

^cHungarian SIDS infants vs. Australian SIDS infants.

^dGerman SIDS infants vs. Australian SIDS infants.

^eCombined SIDS infants vs. Caucasian control.

^fBangladeshi control vs. Caucasian control.

^gIndigenous Australian vs. Caucasian control.

^hIndigenous Australian vs. Bangladeshi control.