Value | Category |
---|---|
0 | Not pretreated |
1 | Pretreated, permanent treatment |
2 | Pretreated, requiring future treatment |
3 | Not pretreated, came with kit and treated at home |
4 | Pretreated, treatment type not known |
6 | Other |
8 | Don't know |
11 | .C |
2147483624 | Missing |
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