Increased Macular Pigment Optical Density and Visual Acuity following Consumption of a Buttermilk Drink Containing Lutein-Enriched Egg Yolks: A Randomized, Double-Blind, Placebo-Controlled Trial

Table 3

Mean changes in MPOD in lutein and control groups during the time course of the study.

	Mean MPOD	Absolute change from baseline	SE	% change from baseline	value
Lutein group
Baseline,	0.45	—	0.02	—	—
6th month,	0.47	0.05	0.02	4.4	<0.001
12th month,	0.52	0.07	0.02	15.6	<0.001
Control group
Baseline,	0.46	—	0.02	—	—
6th month,	0.48	0.02	0.03	6.7	0.18
12th month,	0.48	0.02	0.03	4.4	0.34

A linear mixed model approach was used to assess differences.