Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 119 |
7.2%
|
-7 | Does not apply | 288 |
17.3%
|
0 | No obstacle | 383 |
23%
|
1 | Minor obstacle | 151 |
9.1%
|
2 | Moderate obstacle | 259 |
15.6%
|
3 | Major obstacle | 297 |
17.9%
|
4 | Very severe obstacle | 166 |
10%
|