Table 6

Multiple regression models of (A) 16 Tds implicit time and (B) 32 Tds implicit time (dependent variables) with variables that showed significant associations in univariate analyses (independent variables)

	β	95% CI	Standardised β	P value
(A)
VD of SCP (parafovea)	−0.266	−0.472 to 0.059	−0.635	0.013*
VD of SCP (perifovea)	0.131	−0.122 to 0.385	0.276	0.303
VD of DCP (perifovea)	−0.039	−0.128 to 0.050	−0.135	0.381
FD300	−0.012	−0.086 to 0.111	0.037	0.801
GCC thickness	−0.008	−0.076 to 0.060	−0.030	0.818
HbA1c	0.350	0.184 to 0.516	0.461	<0.001**
Adjusted R²=0.360
(B)
VD of SCP (parafovea)	−0.253	−0.428 to 0.078	−0.664	0.005**
VD of SCP (perifovea)	0.076	−0.139 to 0.291	0.175	0.483
VD of DCP (perifovea)	−0.033	−0.109 to 0.042	−0.126	0.382
FD300	0.023	−0.061 to 0.106	0.074	0.588
GCC thickness	0.006	−0.051 to 0.064	0.027	0.824
HbA1c	0.328	0.187 to 0.469	0.474	<0.001**
Adjusted R²=0.444

*P<0.05; **P<0.01.
DCP, deep capillary plexus; FD300, foveal density in a 300 μm wide region around foveal avascular zone; GCC, ganglion cell complex; SCP, superficial capillary plexus; VD, vessel density.