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. 2018 Apr 7;10(4):458. doi: 10.3390/nu10040458

Table 1.

Descriptive characteristics of participants, task performance, and lutein/zeaxanthin concentrations.

Age (Years) Sex (% Female) Race (% Caucasian) Education (Years) JLO Task Accuracy (Max = 60) 1 MPOD (o.d.) Serum L & Z (μmol/L) 2
71.75 ± 6.16 58.8 100.0 16.1 ± 3.15 52.53 ± 4.49 0.495 ± 0.177 0.321 ± 0.170

JLO = Judgement of Line Orientation. MPOD = macular pigment optical density. o.d. = optical density, the log ratio of transmitted light passing through the macula. 1 Data available for 40 participants. 2 Data available for 46 participants.