pneumonia postbd_prebd_diff
Name
postbd_expected
Label
Post-BD Expected (among valid spirometry
Description

This variable is a flag for whether a post bronchodilator was expected, based on the premeasurement. A post measurement was expected if the FEV1 to FVC ratio was less than 70% or less than the lower limit of normal for FEV1/FVC%.

Domain
noyes01
  • 0: No
  • 1: Yes
Type
choices
Post-BD Expected (among valid spirometry vs Visit Number
Baseline Sueño Ancillary
Total 16,415 -
No 12,097 -
Yes 1,243 -
Unknown 3,075 -
Post-BD Expected (among valid spirometry vs Gender
Baseline
Female Male Total
Total 8,358 5,797 14,155
No 7,254 4,843 12,097
Yes 597 646 1,243
Unknown 507 308 815