Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 9 |
0.9%
|
-7 | Does not apply | 28 |
2.8%
|
0 | No obstacle | 351 |
35.6%
|
1 | Minor obstacle | 203 |
20.6%
|
2 | Moderate obstacle | 214 |
21.7%
|
3 | Major obstacle | 120 |
12.2%
|
4 | Very severe obstacle | 62 |
6.3%
|