. Author manuscript; available in PMC: 2017 Aug 23.

Published in final edited form as: Am J Ophthalmol. 2016 Mar 3;165:65–77. doi: 10.1016/j.ajo.2016.02.021

Table 4.

Retinal volumes by Beckman Age-related Macular Degeneration Classification.

Parameter	Overall Sample (N = 91)	No Aging (N = 15)	Normal Aging (N = 15)	Early AMD (N = 15)	Intermediate AMD (N = 46)	p-Value
RPEDC Volume mm³, M (SD)	0.26	0.25	0.26	0.25	0.026	0.837
RPEDC Volume mm³, M (SD)	(0.028)	(0.025)	(0.026)	(0.020)	(0.032)

Outer Retina Volume mm³, M (SD)	1.42	1.42	1.42	1.44	1.42	0.411
Outer Retina Volume mm³, M (SD)	(0.072)	(0.072)	(0.03)	(0.08)	(0.08)

Inner Retina Volume mm³, M (SD)	1.36	1.35	1.38	1.35	1.36	0.819
Inner Retina Volume mm³, M (SD)	(0.101)	(0.097)	(0.104)	(0.095)	(0.105)

Retina Volume mm³, M (SD)	2.78	2.77	2.80	2.79	2.78	0.911
Retina Volume mm³, M (SD)	(0.14)	(0.139)	(0.107)	(0.139)	(0.145)

Drusen Volume ×10⁻⁴ mm³, M (SD)	1.64	3e-6	0.18	0.13	3.14	0.0315
Drusen Volume ×10⁻⁴ mm³, M (SD)	(12.43)	(1.161e-5)	(0.47)	(0.30)	(17.44)

RAT Volume ×10⁻⁴ mm³, M (SD)	1.57	0.0507	0.10	0.119	3.00	<0.0001
RAT Volume ×10⁻⁴ mm³, M (SD)	(3.59)	(0.14)	(0.28)	(0.39)	(4.62)

RPEDC = retinal pigment epithelium-drusen-complex, M = mean, SD = standard deviation, AMD = Age-related Macular Degeneration