Table 8. Aging study: descriptive statistics of RPE morphometric measurements.
Statistic |
Macula |
Mid-Periphery |
Far-Periphery |
Cell Density |
|
|
|
Average (SD1)
|
4964.52 (1039.55) |
3989.53 (521.51) |
2521.22 (907.88) |
Median (IQR2)
|
4966.28 (1184.80) |
4176.41 (450.88) |
2290.61 (1515.55) |
Cell Area |
|
|
|
Average (SD) |
177.34 (81.67) |
215.39 (88.44) |
328.62 (162.82) |
Median (IQR) |
158.41 (86.93) |
197.82 (90.22) |
285.91 (176.95) |
Eccentricity |
|
|
|
Average (SD) |
0.51 (0.16) |
0.55 (0.15) |
0.63 (0.15) |
Median (IQR) |
0.50 (0.19) |
0.54 (0.20) |
0.65 (0.20) |
Form Factor |
|
|
|
Average (SD) |
0.76 (0.09) |
0.75 (0.08) |
0.74 (0.08) |
Median (IQR) |
0.78 (0.07) |
0.77 (0.07) |
0.76 (0.07) |
% Hexagonal Cells |
|
|
|
Average (SD) |
40.17 (4.42) |
38.51 (3.69) |
39.40 (5.00) |
Median (IQR) |
39.50 (3.71) |
38.78 (3.43) |
41.24 (4.06) |