Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.2%
|
-7 | Does not apply | 33 |
1.9%
|
0 | No obstacle | 315 |
18.3%
|
1 | Minor obstacle | 288 |
16.7%
|
2 | Moderate obstacle | 429 |
24.9%
|
3 | Major obstacle | 398 |
23.1%
|
4 | Very severe obstacle | 259 |
15%
|