DXXL4BCC // L4 BMD invalidity code| dataset | nhanes2018 · NHANES 2017-2018 Cycle |
| type | categorical |
| role | |
| data file | DXXSPN_J |
| keywords |
| code | meaning |
|---|---|
0 | Valid data |
1 | Removable or non-removable objects |
3 | Excessive x-ray noise due to morbid obesity |
4 | Insufficient scan area |
5 | Movement |
6 | Other (degenerative diseases, spinal fusion, fractures) |