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10,180 items of data are available, covering 3,417 participants. Defined-instances run from 0 to 0, labelled using Instancing 2. Array indices run from 1 to 4.
There are 61 distinct values.
Mean = 18.1778
Std.dev = 17.45
33 items above graph maximum of 68
Counts of participants/items last updated 30 Oct 2020.
Acceptability of spirometry result (bit field)
START_OF_TEST Set if the extrapolated volume at start of test is excessive = 0x01 TIME_TO_PEF Set if time to peak flow is excessive = 0x02 END_OF_TEST Set if an adequate plateau at the end of the test does not exist = 0x04 COUGHING Set if a cough was detected during the manovoure = 0x08 TEST_DURATION Set if the test is less than 6 seconds = 0x10 USER_ACCEPTED Specifies whether or not the test was explicitly acceped by the investigator = 0x20 USER_REJECTED Specifies whether or not the test was explicitly rejected by the investigator = 0x40
Hence a decimal value of 24 (0x08+0x10) indicates a test of less than 6 seconds during which a cough was detected.