Data
80,275 items of data are available, covering 80,275 participants.
Defined-instances run from 0 to 1, labelled using Instancing
2.
Units of measurement are micrometres.
| Maximum | 312.97 |
| Decile 9 | 35.16 |
| Decile 8 | 32.09 |
| Decile 7 | 30.12 |
| Decile 6 | 28.65 |
| Median | 27.35 |
| Decile 4 | 26.13 |
| Decile 3 | 24.84 |
| Decile 2 | 23.31 |
| Decile 1 | 20.88 |
| Minimum | 0 |
|
|
- Mean = 28.0312
- Std.dev = 9.78248
- 1091 items above graph maximum of 49.44
|
2 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
65,459 participants, 65,459 items
| Maximum | 312.97 |
| Decile 9 | 32.88 |
| Decile 8 | 30.36 |
| Decile 7 | 28.87 |
| Decile 6 | 27.66 |
| Median | 26.57 |
| Decile 4 | 25.51 |
| Decile 3 | 24.37 |
| Decile 2 | 22.95 |
| Decile 1 | 20.73 |
| Minimum | 0 |
|
|
- Mean = 26.9612
- Std.dev = 8.42383
- 896 items above graph maximum of 45.03
|
Instance 1 : First repeat assessment visit (2012-13)
14,816 participants, 14,816 items
| Maximum | 282.82 |
| Decile 9 | 40.07 |
| Decile 8 | 37 |
| Decile 7 | 35.19 |
| Decile 6 | 33.75 |
| Median | 32.49 |
| Decile 4 | 31.2 |
| Decile 3 | 29.825 |
| Decile 2 | 27.795 |
| Decile 1 | 23.365 |
| Minimum | 0 |
|
|
- Mean = 32.7583
- Std.dev = 13.3259
- 330 items above graph maximum of 56.775
|
Notes
Average retinal nerve fibre layer (RNFL) thickness across all subfields in the left eye. The code used to generate the data in this field and the publication detailing the methods can be found in
Return 1875. 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.
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