Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 2 |
0.2%
|
-7 | Does not apply | 5 |
0.5%
|
0 | No obstacle | 101 |
10.2%
|
1 | Minor obstacle | 171 |
17.3%
|
2 | Moderate obstacle | 340 |
34.4%
|
3 | Major obstacle | 249 |
25.2%
|
4 | Very severe obstacle | 119 |
12.1%
|