Table 2.

Association analysis of rs12411980 SNP.

Genotype groups	p
	PTP vs. OFP groups	PTP vs. NOC groups	PTP vs. TD groups	OFP vs. NOC groups	OFP vs. TD groups
TT/TG/GG	3.62 × 10−5*	2.92 × 10−4*	5.46 × 10−4*	2.72 × 10−1	2.08 × 10−1
TT + TG/GG	2.28 × 10−4*	2.32 × 10−3*	1.50 × 10−3*	1.12 × 10−1	1.77 × 10−1
TT/TG + GG	2.51 × 10−4*	3.98 × 10−4*	1.86 × 10−3*	4.33 × 10−1	1.34 × 10−1

PTP, phantom tooth pain; OFP, orofacial pain; NOC and TD, healthy subjects.

*p < 0.05.