Table 2.

Change in macular pigment optical density and total macular pigment complement using the DWAF

Parameter	Baseline, mean (SD)	3 months mean (SD)	Change in 0–3 months, mean (SD)	P-value	6 months, mean (SD)	Change in 0–6 months, mean (SD)	P-value
Macular pigment optical density: n =49
DWAF optical density 0.5 with 7° reference	0.31±0.25	0.39±0.26	0.081±0.26	0.31	0.39±0.27	0.082±0.274	0.041
Macular pigment volume: n =49
DWAF volume with 10.5° reference	3,466.7±3,179.3	5,048.5±3,376.6	1,581.8±3,627.1	0.004	5,791.1±4,110.0	2,324.3±4,134.1	,0.001

Notes: Results are in response to an analysis of variance; significant P-values are those <0.05.

Abbreviation: DWAF, dual-wavelength autofluorescence.