Table 4.

Multiple linear regression analysis of demographic and clinical variables in relation to mean retinal nerve fiber layer thickness measured by 3D-OCT

Variable	Regression coefficient	Standard error	95%CI	P-Value
Sex (male)	−0.24	1.77	−3.75 to 3.27	0.893
Eye (OD)	2.35	1.70	−1.04 to 5.73	0.171
Age	−0.01	0.10	−0.21 to 0.19	0.952
Spherical equivalent	−1.56	1.24	−4.01 to 0.89	0.211
Axial length	−0.96	0.97	−2.88 to 0.96	0.323
Central corneal thickness	0.01	0.03	−0.04 to 0.06	0.658
Corneal diameter	8.11	3.74	0.67 to 15.55	0.033
Disc area	2.02	1.96	−1.88 to 5.93	0.306

3D-OCT, 3-dimensional optical coherence tomography; CI, confidence interval; OD, right eye.