Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 27 |
4.4%
|
0 | No obstacle | 158 |
25.7%
|
1 | Minor obstacle | 140 |
22.8%
|
2 | Moderate obstacle | 138 |
22.4%
|
3 | Major obstacle | 111 |
18%
|
4 | Very severe obstacle | 40 |
6.5%
|