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Table 3 Mean MPOD values (volume, area, maximum and mean) and their correlations with ethnicity

From: Macular pigment optical density in a Brazilian sample

Variable White Black Biracial
Mean ± SD Mean ± SD Mean ± SD
MPOD volume 8425.57 ± 2028.56 10,884.92 ± 2266.50 8029.12 ± 2030.03
MPOD area 61,723.95 ± 13,150.87 68,496.14 ± 10,031.52 59,366.43 ± 10,401.73
Max MPOD 0.39 ± 0.08 0.43 ± 0.05 0.37 ± 0.07
Mean MPOD 0.13 ± 0.03 0.16 ± 0.02 0.14 ± 0.06
  1. Values of maximum and mean MPOD measured in density units (d.u.); volume measured in d.u. degrees2; area measured in degrees2
  2. MPOD, macular pigment optical density; Max, maximum; SD, standard deviation