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) |
1 SD represents standard deviation. 2 IQR represents interquartile range.