| Value | Category | Cases | |
|---|---|---|---|
| 1 | <=0.6 | 650 |
13.3%
|
| 2 | >1.8 | 2693 |
54.9%
|
| 3 | 0.7-1.2 | 1041 |
21.2%
|
| 4 | 1.3-1.8 | 521 |
10.6%
|