Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.3%
|
-7 | Does not apply | 10 |
2.8%
|
0 | No obstacle | 262 |
74.6%
|
1 | Minor obstacle | 35 |
10%
|
2 | Moderate obstacle | 26 |
7.4%
|
3 | Major obstacle | 11 |
3.1%
|
4 | Very severe obstacle | 6 |
1.7%
|