Value | Category | Cases | |
---|---|---|---|
-9 | Don't know (spontaneous) | 1 |
0.2%
|
-7 | Does not apply | 2 |
0.3%
|
0 | No obstacle | 53 |
8.8%
|
1 | Minor obstacle | 120 |
20%
|
2 | Moderate obstacle | 194 |
32.3%
|
3 | Major obstacle | 137 |
22.8%
|
4 | Very severe obstacle | 93 |
15.5%
|