Table 4.

Correlation analysis of P2XR7 genotype frequency with age decade.

SNP	Hypomorphic P2X7R			Hypermorphic P2X7R
	Genotype	Corr. Coef.	p	Genotype	Corr. Coef.	p
1405A > G	1405GG	−0.4826	0.3323	1405AA	−0.00817	0.9877
1513A > C	1513CC	0.9390	0.0055#	1513AA	−0.4904	0.3234
1068G > A	1068GG	0.3983	0.4342	1068AA	−0.8184	0.0465
489C > T	489CC	0.9359	0.0019#	489TT	−0.08178	0.8616

^#p < 0.00625.