Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 3 |
0.8%
|
-7 | Does not apply | 2 |
0.6%
|
0 | No obstacle | 155 |
43.8%
|
1 | Minor obstacle | 69 |
19.5%
|
2 | Moderate obstacle | 61 |
17.2%
|
3 | Major obstacle | 38 |
10.7%
|
4 | Very severe obstacle | 26 |
7.3%
|