Table 2.

Correlations between delta PERG amplitude/phase and IOP/vascular variables.

N=109 (NC+GS+EMG)	Z-scores PERG amplitude		Z-scores PERG phase
	R	P	R	P
IOP B	−0.035	0.722	−0.195	0.043
IOP T	−0.086	0.371	−0.211	0.027
IOP D	−0.135	0.161	−0.168	0.080
SBP B	0.046	0.636	−0.028	0.770
SBP T	0.074	0.447	−0.112	0.247
SBP D	0.041	0.676	−0.120	0.212
DBP B	−0.033	0.735	0.046	0.637
DBP T	−0.020	0.837	0.044	0.649
DBP D	0.022	0.819	−0.006	0.952
OPP B	0.011	0.912	0.029	0.762
OPP T	0.037	0.706	−0.024	0.805
OPP D	0.045	0.643	−0.082	0.396

Legend. B=baseline, T= Tilted, D= delta (tilted – baseline). Significant correlations are emphasized in bold. Borderline correlations are emphasized in italic