Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 4 |
0.4%
|
-7 | Does not apply | 5 |
0.5%
|
0 | No obstacle | 145 |
14.2%
|
1 | Minor obstacle | 125 |
12.3%
|
2 | Moderate obstacle | 177 |
17.4%
|
3 | Major obstacle | 231 |
22.7%
|
4 | Very severe obstacle | 332 |
32.6%
|