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. 2020 Jul 1;9(8):2. doi: 10.1167/tvst.9.8.2

Table 2.

QAF Intensities ± Standard Deviation for a Subset of Segments Using the Original QAF8, QAF97, and the Freehand Tool in an Example of Geographic Atrophy (see Fig. 5)

Segment Baseline QAF Value (a.u.) Follow-Up (9 Months) QAF Value (a.u.)
QAF 8 160.6 ± 71.2 224.6 ± 38.2
Orange 1 254.2 ± 51.7 248.8 ± 53.8
Orange 2 92.7 ± 68.0 86.2 ± 58.9
Orange 3 93.2 ± 62.6 80.6 ± 53.4
Orange 4 173.5 ± 62.0 154.8 ± 59.4
Yellow 1 200.0 ± 76.6 194.2 ± 86.6
Yellow 2 218.1 ± 60.1 216.8 ± 75.4
Yellow 3 107.1 ± 69.4 95.3 ± 54.1
Yellow 4 127.3 ± 77.8 113.3 ± 74.4
Yellow 5 136.0 ± 65.0 119.5 ± 66.3
Yellow 6 158.9 ± 73.1 127.3 ± 71.6
Yellow 7 165.2 ± 36.7 154.4 ± 38.8
Freehand tool 163.8 ± 39.6 147.0 ± 51.1

a.u., arbitrary units.