Age

Visit vs Percent of Knudson predictor: FEF 50% (including race correlation)
N Mean StdDev Median Min Max Unknown Total
Visit 5 690 91.4 ± 32.9 90.8 6.6 218.6 45 735
Participant's age (category) vs Percent of Knudson predictor: FEF 50% (including race correlation)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 620 91.3 ± 33.4 90.1 6.6 218.6 38 658
5-14 yrs old 58 96.2 ± 30.5 93.1 35.4 206.5 6 64
15-24 yrs old 108 95.6 ± 27.0 96.0 26.1 164.3 4 112
25-34 yrs old 58 97.8 ± 34.2 88.6 35.7 189.7 4 62
35-44 years 90 94.2 ± 28.0 95.2 29.2 166.1 8 98
45-54 years 137 92.8 ± 34.5 92.7 28.2 218.6 11 148
55-64 years 83 88.8 ± 37.8 88.3 18.3 199.5 1 84
65-74 years 54 78.6 ± 38.5 78.3 9.3 170.8 3 57
75-84 years 30 69.8 ± 33.4 68.8 6.6 142.6 1 31
85 years or older 2 70.1 ± 8.9 70.1 63.8 76.4 - 2
Participant's sex vs Percent of Knudson predictor: FEF 50% (including race correlation)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 690 91.4 ± 32.9 90.8 6.6 218.6 45 735
Female 380 95.0 ± 33.1 95.3 6.6 208.9 26 406
Male 310 86.9 ± 32.3 87.3 9.3 218.6 19 329
Participant's race vs Percent of Knudson predictor: FEF 50% (including race correlation)
Visit 5
N Mean StdDev Median Min Max Unknown Total
Total 690 91.4 ± 32.9 90.8 6.6 218.6 45 735
White 293 91.5 ± 30.4 92.7 6.6 199.5 11 304
Black 375 90.8 ± 35.2 89.1 9.3 218.6 34 409
More than one race 22 98.5 ± 25.0 89.7 59.1 157.6 - 22