Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 5 |
0.3%
|
-7 | Does not apply | 119 |
7.2%
|
0 | No obstacle | 928 |
55.8%
|
1 | Minor obstacle | 151 |
9.1%
|
2 | Moderate obstacle | 236 |
14.2%
|
3 | Major obstacle | 194 |
11.7%
|
4 | Very severe obstacle | 30 |
1.8%
|