| Description: | Acceptability of each blow result (text) |
| Category: | Assessment centre ⏵ Physical measures ⏵ Spirometry |
| Physical measures |
| Participants | 296,055 | Value Type | Text | Sexed | Both sexes | Debut | Aug 2012 | |||
| Item count | 604,663 | Item Type | Data | Instances | Defined (4) | Version | Mar 2020 | |||
| Stability | Complete | Strata | Derived | Array | Yes (3) | Cost Tier | d1 o1 s1 |
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Average length is 10.7 characters, longest is 41.
Instance 1 : First repeat assessment visit (2012-13)
10,680 participants, 19,545 items
Too few values for statistical summary.
Instance 2 : Imaging visit (2014+)
25,410 participants, 48,891 items
Too few values for statistical summary.
Instance 3 : First repeat imaging visit (2019+)
1,516 participants, 2,905 items
Too few values for statistical summary.
START Present if the extrapolated volume at start of test is excessive
EXPFLOW Present if time to peak flow is excessive
END Present if an adequate plateau at the end of the test does not exist
COUGH Present if a cough was detected during the manovoure
BELOW6SEC Set if the test is less that 6 seconds
ACCEPT Present if the test was explicitly acceped by the investigator
REJECT Present if the test was explicitly rejected by the investigator.
Bit-field values of 0 are not translated into strings since they correspond to a blow with no flags set.
| Field ID | Description | Relationship |
|---|---|---|
| 3061 | Acceptability of each blow result | Current Field uses string-tags to describe the data in Field 3061 |
| 20032 | Acceptability of each blow result (t ... | Field 20032 is the pilot-study predecessor of main-study Current Field |
| 3066 | Data points for blow | Current Field is the acceptability of curve Field 3066 |
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