Table 2

Macular pigment optical density (MPOD) response to supplementation. MPOD data for the supplementation group obtained prior to supplementation together with the rates of change in MPOD during supplementation. The p-values indicate whether these rates are significantly different from zero. (AU = absorbance unit)

Subject/eye
MPOD pre AU
SD pre AU
Rate of change in MPOD ± SE, mAU/day
p
Significance of rate of change

1/L
0.421
0.016
2.22 ± 0.11
< 0.0001
Signif. increase
1/R
0.446
0.025
2.01 ± 0.06
< 0.0001
Signif. increase
2/L
0.779
0.015
-0.18 ± 0.30
0.57
No signif. change
2/R
0.679
0.016
0.17 ± 0.38
0.66
No signif. change
3/L
0.286
0.018
0.27 ± 0.10
0.012
Signif. increase
3/R
0.306
0.011
-0.04 ± 0.09
0.69
No signif. change
4/L
0.468
0.019
1.23 ± 0.21
< 0.0001
Signif. increase
4/R
0.355
0.022
1.58 ± 0.28
< 0.0001
Signif. increase
5/L
0.254
0.018
0.51 ± 0.14
0.0009
Signif. increase
5/R
0.265
0.027
-0.46 ± 0.18
0.016
Signif. decrease
6/L
0.351
0.019
-0.22 ± 0.16
0.18
No signif. change
6/R
0.362
0.014
0.02 ± 0.21
0.94
No signif. change
7/L
0.335
0.017
0.92 ± 0.34
0.015
Signif. increase
7/R
0.304
0.02
-0.57 ± 0.35
0.12
No signif. change
8/L
0.718
0.013
0.65 ± 0.25
0.016
Signif. increase
8/R
0.722
0.014
0.44 ± 0.32
0.17
No signif. change
9/L
0.344
0.012
1.07 ± 0.29
0.0009
Signif. increase
9/R
0.421
0.011
1.33 ± 0.35
0.0008
Signif. increase
10/L
0.96
0.008
0.43 ± 0.05
< 0.0001
Signif. increase
10/R
0.854
0.008
0.41 ± 0.04
< 0.0001
Signif. increase

Bone et al. Nutrition & Metabolism 2007 4:12   doi:10.1186/1743-7075-4-12