Table 3. Logistic Regression Analysis of Genetic Predictors of Postoperative Atrial Fibrillation in the Study Populations (Stage I and II).

SNP	Gene/Loci	Alleles	Stages	OR (95% CI)	P
rs3740563	GRK5	C/A	Discovery	1.31 (1.09–1.58)	0.005
			Validation	1.21 (0.89–1.38)	0.089
rs4752292	GRK5	G/T	Discovery	1.32 (1.11–1.57)	1.98 × 10−3
			Validation	1.31 (1.07–1.63)	0.012
			Total	1.32 (1.15-1.50)	5.82 × 10−5
rs11198893	GRK5	G/A	Discovery	1.54 (1.27–1.85)	6.87 × 10−6
			Validation	1.38 (1.01–1.56)	0.004
			Total	1.47 (1.28–1.69)	1.16 × 10−7
rs10787959	GRK5	G/A	Discovery	1.22 (1.04–1.44)	0.016
			Validation	0.97 (0.84-1.21)	0.744
rs13143308	4q25	T/G	Discovery	0.79 (0.65–0.94)	9.73 × 10−3
			Validation	1.17 (0.99–1.32)	0.032
rs10033464	4q25	G/T	Discovery	1.25 (1.03–1.52)	0.022
			Validation	1.05 (0.87–1.33)	0.652