Table 3.

Changes Over Time, Differences Between Groups, and Average VD for the Four Retinal Microvascular Parameters

	Change Over Time		Differences Between Groups		VD, Mean ± SD
	β (95% CI)	P	β (95% CI)	P	Baseline	First Follow-Up
ONH VD
Aβ−	0.155 (0.072 to 0.241)	<0.01	Ref.	—	18.144 ± 0.93	18.537 ± 0.65
Aβ−+	0.157 (−0.205 to 0.205)	0.99	−0.095 (−0.430 to 0.244)	0.57	18.114 ± 0.58	18.275 ± 0.79
Aβ++	0.011 (−0.427 to 0.136)	0.31	0.205 (−0.249 to 0.667)	0.35	18.690 ± 1.09	18.858 ± 0.54
Inner VD
Aβ−	0.131 (0.010 to 0.252)	0.03	Ref.	—	17.460 ± 1.07	17.722 ± 0.77
Aβ−+	0.221 (−0.211 to 0.387)	0.57	0.04 (−0.351 to 0.425)	0.85	17.462 ± 0.99	17.911 ± 0.92
Aβ++	0.188 (−0.354 to 0.471)	0.78	0.554 (0.210 to 1.167)	0.03	17.870 ± 1.06	18.328 ± 0.74
Outer VD
Aβ−	0.122 (0.001 to 0.233)	0.03	Ref.	—	17.641 ± 1.03	17.898 ± 0.75
Aβ−+	0.228 (−0.173 to 0.387)	0.46	0.06 (−0.300 to 0.407)	0.74	17.643 ± 0.89	17.944 ± 0.89
Aβ++	0.166 (−0.422 to 0.335)	0.82	0.07 (0.254 to 1.146)	<0.01	18.283 ± 0.50	18.360 ± 0.76
FAZ
Aβ−	0.000 (−0.006 to 0.056)	1.0	Ref.	—	0.22 ± 0.09	0.23 ± 0.09
Aβ−+	−0.0063 (−0.020 to 0.007)	0.35	0.027 (−0.000 to 0.054)	0.05	0.22 ± 0.11	0.21 ± 0.11
Aβ++	0.0065 (−0.012 to 0.025)	0.48	0.007 (−0.031 to 0.045)	0.71	0.21 ± 0.06	0.22 ± 0.05