Table 3.

Linear Regression of Visual Function Measures Against Drusen Volume (in mm³)

	Univariate Regression		Adjusted for AMD Stage and Age		Adjusted for AMD Stage, Age, and Presence of SDD
	β Coefficient	P	β Coefficient	P	β Coefficient	P
BCVA	–0.001	0.571	0.001	0.581	0.001	0.588
LLVA	–0.005	0.007	–0.003	0.091	–0.003	0.093
MAC-VA	–0.009	<0.001	–0.007	0.008	–0.007	0.008
Contrast sensitivity	–0.014	0.001	–0.007	0.148	–0.008	0.130
IReST	–0.001	0.125	0.000	0.368	–0.000	0.349
Mesopic microperimetry
Global	–0.019	0.001	–0.012	0.040	–0.014	0.023
0°–1°	–0.022	<0.001	–0.018	<0.001	–0.018	<0.001
3°	–0.018	<0.001	–0.012	0.015	–0.015	0.006
5°	–0.012	0.033	–0.005	0.306	–0.007	0.195
7°	–0.007	0.130	–0.001	0.784	–0.001	0.609
Dark-adapted microperimetry
Global	–0.017	0.001	–0.011	0.022	–0.012	0.022
0°–1°	–0.016	<0.001	–0.010	0.031	–0.010	0.037
3°	–0.021	<0.001	–0.016	0.001	–0.017	0.001
5°	–0.010	0.029	–0.006	0.185	–0.006	0.166
7°	–0.005	0.270	–0.001	0.983	–0.000	0.951
Pigment changes	0.089	0.013	0.038	0.319	0.034	0.372

Bold numbers indicate statistical significance.