Table 7. Binary logistic regression analysis to determine the effect of NOS3 polymorphisms, age, sex and smoking on POAG risk.

Variables	B	SE	Wald	Odds ratio (95% confidence interval)	p-value
Age	0.02	0.01	3.60	1.02 (0.99–1.039)	0.058
Sex	-0.11	0.23	0.23	0.89 (0.56–1.41)	0.630
Smoking	0.31	0.39	0.66	1.37 (0.64–2.93)	0.416
rs2070744	-	-	2.66	-	0.265
C/T	-0.30	0.23	1.63	0.74 (0.46–1.17)	0.202
C/C	0.25	0.40	0.40	1.28 (0.58–2.82)	0.529
rs1799983	-	-	5.82	-	0.054
G/T	0.58	0.24	5.82	1.79 (1.11–2.89)	0.016
T/T	0.21	0.56	0.14	1.23 (0.41–3.70)	0.709
Constant	-1.19	0.66	3.26	0.30	0.071

Trend and significant p-value in bold