Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 0 |
0%
|
-7 | Does not apply | 0 |
0%
|
0 | No obstacle | 150 |
25%
|
1 | Minor obstacle | 137 |
22.8%
|
2 | Moderate obstacle | 99 |
16.5%
|
3 | Major obstacle | 138 |
23%
|
4 | Very severe obstacle | 76 |
12.7%
|