Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 21 |
1.5%
|
-7 | Does not apply | 18 |
1.3%
|
0 | No obstacle | 493 |
36%
|
1 | Minor obstacle | 309 |
22.6%
|
2 | Moderate obstacle | 276 |
20.2%
|
3 | Major obstacle | 172 |
12.6%
|
4 | Very severe obstacle | 80 |
5.8%
|