Data
80,240 items of data are available, covering 80,240 participants.
Defined-instances run from 0 to 1, labelled using Instancing
2.
Units of measurement are micrometres.
| Maximum | 491.62 |
| Decile 9 | 30.07 |
| Decile 8 | 27.68 |
| Decile 7 | 26.38 |
| Decile 6 | 25.44 |
| Median | 24.69 |
| Decile 4 | 24.06 |
| Decile 3 | 23.45 |
| Decile 2 | 22.85 |
| Decile 1 | 22.12 |
| Minimum | 0.86 |
|
|
- Mean = 29.7093
- Std.dev = 31.5539
- 12 items below graph minimum of 14.17
- 2531 items above graph maximum of 38.02
|
2 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
65,430 participants, 65,430 items
| Maximum | 424.85 |
| Decile 9 | 29.92 |
| Decile 8 | 27.72 |
| Decile 7 | 26.45 |
| Decile 6 | 25.53 |
| Median | 24.79 |
| Decile 4 | 24.14 |
| Decile 3 | 23.53 |
| Decile 2 | 22.9 |
| Decile 1 | 22.18 |
| Minimum | 0.86 |
|
|
- Mean = 28.2814
- Std.dev = 25.9563
- 11 items below graph minimum of 14.44
- 1467 items above graph maximum of 37.66
|
Instance 1 : First repeat assessment visit (2012-13)
14,810 participants, 14,810 items
| Maximum | 491.62 |
| Decile 9 | 31.47 |
| Decile 8 | 27.47 |
| Decile 7 | 25.98 |
| Decile 6 | 25 |
| Median | 24.3 |
| Decile 4 | 23.7 |
| Decile 3 | 23.18 |
| Decile 2 | 22.61 |
| Decile 1 | 21.91 |
| Minimum | 9.23 |
|
|
- Mean = 36.0179
- Std.dev = 48.673
- 1 item below graph minimum of 12.35
- 1032 items above graph maximum of 41.03
|
Notes
Overall average retinal pigment epithelium thickness measured from the retinal pigment epithelium to the Bruch's membrane in the left eye. The publication detailing the methods can be found in
Publication 1876. Image source for measurements can be found in
Category 100016. Please be aware that these are the raw values generated by the Topcon Advanced Boundary Segmentation [TABS] software and should be quality controlled using the fields in
Category 100116. Please note that these fields have been derived separately from those in
Category 1081. Those wishing to utilise fields across both categories should proceed with additional caution.
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