Data
306,936 items of data are available, covering 107,670 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 | 173 |
Decile 8 | 166 |
Decile 7 | 154 |
Decile 6 | 130 |
Median | 103 |
Decile 4 | 85 |
Decile 3 | 58 |
Decile 2 | 22 |
Decile 1 | 8 |
Minimum | 0 |
|
|
- There are 181 distinct values.
- Mean = 98.807
- Std.dev = 61.9255
|
2 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
95,275 participants, 264,362 items
Maximum | 180 |
Decile 9 | 174 |
Decile 8 | 166 |
Decile 7 | 155 |
Decile 6 | 131 |
Median | 103 |
Decile 4 | 84 |
Decile 3 | 55 |
Decile 2 | 20 |
Decile 1 | 7 |
Minimum | 0 |
|
|
- There are 181 distinct values.
- Mean = 98.5005
- Std.dev = 62.5674
|
Instance 1 : First repeat assessment visit (2012-13)
15,315 participants, 42,574 items
Maximum | 180 |
Decile 9 | 172 |
Decile 8 | 163 |
Decile 7 | 149 |
Decile 6 | 124 |
Median | 103 |
Decile 4 | 89 |
Decile 3 | 72 |
Decile 2 | 35 |
Decile 1 | 10 |
Minimum | 0 |
|
|
- There are 181 distinct values.
- Mean = 100.711
- Std.dev = 57.744
|
Notes
This is the weak 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 |
5101 | 6mm weak meridian angle (right) | Current Field is the opposite-side complement to Field 5101 |