| Value | Category | Cases | |
|---|---|---|---|
| Nil | 1 |
7.7%
|
|
| None | 1 |
7.7%
|
|
| Ref hospit | 1 |
7.7%
|
|
| examinatio | 1 |
7.7%
|
|
| give analg | 1 |
7.7%
|
|
| no | 1 |
7.7%
|
|
| none | 2 |
15.4%
|
|
| not record | 2 |
15.4%
|
|
| unknown | 3 |
23.1%
|