Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 7 |
0.7%
|
-7 | Does not apply | 18 |
1.8%
|
0 | No obstacle | 532 |
51.8%
|
1 | Minor obstacle | 209 |
20.3%
|
2 | Moderate obstacle | 145 |
14.1%
|
3 | Major obstacle | 111 |
10.8%
|
4 | Very severe obstacle | 6 |
0.6%
|