Table 1. Associations between Pressure Related Parameters, Anthropometric Parameters and Neuroretinal rim Area in the Beijing Eye Study 2006 (Univariate Analysis).

Parameter	P-Value	Standardized Corre-lation Coefficient Beta	Coefficient Regression	95% Confidence Interval of Regression Coefficient
Age (Years)	0.001	0.06	0.002	0.001, 0.004
Gender	0.02
Presence of Open-Angle Glaucoma	<0.001
Optic Disc Area (mm2)	<0.001	0.63	0.48	0.46, 0.50
Refractive Error (Dpt)	<0.001	0.08	0.02	0.01, 0.03
Body Mass Index (kg/m2)	0.04	0.04	0.004	0.001, 0.008
Body Height (cm)	0.64
Body Weight (kg)	0.10
Intraocular Pressure (mmHg)	<0.001	-0.10	-0.013	-0.017, -0.008
Systolic Blood Pressure (mmHg)	0.004	-0.05	-0.002	-0.003, -0.001
Diastolic Blood Pressure (mmHg)	<0.001	-0.08	-0.005	-0.008, -0.003
Mean Arterial Blood Pressure (mmHg)	<0.001	-0.08	-0.004	-0.006, -0.002
Ocular Perfusion Pressure (mmHg)	0.13	-0.03	-0.001	-0.002, 0.000