Table 6.

Summary of ONH Parameters

		Standard-Density Fast Acquisition			High-Density Slow Acquisition
Measurement	Dilated	ICC (%)	Intervisit SD (μm)	Intravisit SD (μm)	ICC (%)	Intervisit SD (μm)	Intravisit SD (μm)
hirw (mm3)		89	0.03	0.09	85	0.07	0.10
vira (mm2)		94	0.03	0.06	92	0.04	0.08
da (mm2)		66	0.13	0.23	59	0.17	0.18
ca (mm2)		82*	0.01*	0.21*	56	0.07	0.35
ra (mm2)		73	0.11	0.29	30†	0.31	0.33
	NO
cdr		78	0.01	0.11	48	0.11	0.11
cdh		76*	0.02*	0.10*	21†	0.09	0.10
cdv		67	0.01	0.10	24†	0.10	0.11
cat		65	0.34	0.38	30†	0.25	0.59
cvt		60	0.01	0.10	54	0.02	0.10
hirw (mm3)		74	0.13	0.08	73	0.14	0.12
vira (mm2)		51	0.28	0.08	58	0.20	0.15
da (mm2)		52	0.21	0.14	38†	0.23	0.19
ca (mm2)		95	0.10	0.06	28†	0.30	0.28
ra (mm2)		81	0.27	0.12	3†	0.48	0.27
	YES
cdr		97	0.04	0.02	19†	0.15	0.11
cdh		87	0.06	0.03	12†	0.13	0.10
cdv		90	0.06	0.03	14†	0.12	0.10
cat		45	0.41	0.48	6†	0.26	0.49
cvt		84	0.04	0.04	81*	0.02*	0.05*

Data are for standard- and high-density, before and after dilation. The parameters represented are defined in Table 5. Age-adjusted random effects models were used to calculate ICCs and SDs. As four of these models did not converge due to low variance in our data (cells marked by *), variance components models that did not adjust for age were used to determine the ICCs and SDs in question.

^†Low ICC values, below 40%.