Description: Do the two highest FVCs meet the ATS criteria (<0.15L difference) - at age 69 years
This is a flat (unstructured) list which uses integers to represent categories or special values.
| Coding can be downloaded here as a tab-separated file. |
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| Coding | Meaning |
|---|---|
| 0 | Unreproducible highest two FVCs |
| 1 | Meets ATS |
| 2 | Meets 0.3L |
| Field ID | Description | Category |
|---|---|---|
| 9228 | Do the two highest FVCs meet the ATS criteria (<0.15L difference) - at age 69 years | Spirometry |
National Survey of Health and Development 1946 Cohort