Value | Category | Cases | |
---|---|---|---|
0 | no | 0 |
0%
|
1 | yes, forceps | 0 |
0%
|
2 | yes, suction | 0 |
0%
|
3 | yes, don't know what instrument | 0 |
0%
|
8 | don't know | 0 |
0%
|
Sysmiss | 40394 |