Data
306,807 items of data are available, covering 107,626 participants.
Defined-instances run from 0 to 1, labelled using Instancing
2.
Array indices run from 0 to 5.
Units of measurement are degrees.
| Maximum | 180 |
| Decile 9 | 160 |
| Decile 8 | 120 |
| Decile 7 | 101 |
| Decile 6 | 92 |
| Median | 86 |
| Decile 4 | 79 |
| Decile 3 | 69 |
| Decile 2 | 50 |
| Decile 1 | 20 |
| Minimum | 1 |
|
|
- There are 180 distinct values.
- Mean = 86.5951
- Std.dev = 45.2527
|
2 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
95,235 participants, 264,244 items
| Maximum | 180 |
| Decile 9 | 158 |
| Decile 8 | 119 |
| Decile 7 | 101 |
| Decile 6 | 92 |
| Median | 86 |
| Decile 4 | 79 |
| Decile 3 | 70 |
| Decile 2 | 52 |
| Decile 1 | 21 |
| Minimum | 1 |
|
|
- There are 180 distinct values.
- Mean = 86.8534
- Std.dev = 44.5424
|
Instance 1 : First repeat assessment visit (2012-13)
15,311 participants, 42,563 items
| Maximum | 180 |
| Decile 9 | 165 |
| Decile 8 | 130 |
| Decile 7 | 102 |
| Decile 6 | 91 |
| Median | 83 |
| Decile 4 | 75 |
| Decile 3 | 62 |
| Decile 2 | 38 |
| Decile 1 | 15 |
| Minimum | 1 |
|
|
- There are 180 distinct values.
- Mean = 84.9921
- Std.dev = 49.4045
|
Notes
This is the strong meridian angle of keratometry results taken at 6mm for the left eye (blank indicates no cylinder power)
1 Related Data-Field
| Field ID | Description | Relationship |
|---|
| 5106 | 6mm strong meridian angle (right) | Current Field is the opposite-side complement to Field 5106 |
