Table 4.

Multivariate regression models of RNFL thickness affecting peripapillary perfusion in respondents

		Retinal flow index			Retinal vessel density
Variable	Model	Standardised β (SE)	Adjusted R2	p Value	Standardised β (SE)	Adjusted R2	p Value
RNFL thickness	1*	0.440 (0.000)	0.183	<0.001	0.49 (0.08)	0.23	<0.001
RNFL thickness	2	0.444 (0.000)	0.164	<0.001	0.47 (0.08)	0.217	<0.001
RNFL thickness	3	0.450 (0.000)	0.155	<0.001	0.47 (0.09)	0.207	<0.001
RNFL thickness	4	0.404 (0.000)	0.205	0.006	0.45 (0.11)	0.245	0.002

*Model 1 for crude; model 2, adjustment for age and gender; model 3, further adjustment for OPP; model 4, further adjustment for axial length, cup/disc area ratio and rim area.

OPP, ocular perfusion pressure; RNFL, retinal nerve fiber layer.