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understanding better the variables COPD and asthma in the SHHS. 1/ On COPD for say the first
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chronic obstructive pulmonary disease (COPD)? variable "crbron15": Doctor of
...
are two types of COPD, yet the COPD variable has only n=62
...
copd_by_bd
under
Clinical Data/Diagnostic Studies/Lung Function
in
HCHS variables
This indicator of COPD is based on the post-bronchodilator measurement of the FEV1 to FVC ratio. The airflow remains restricted after the administration of albuterol.
copd_by_bd_allpre
under
Clinical Data/Diagnostic Studies/Lung Function
in
HCHS variables
This variable is based on the post-bronchodilator measurement of the FEV1 to FVC ratio. The airflow remains restricted after the administration of albuterol. This variable is also defined for all participants who did not conduct a post-spirometry exam. Defined only for valid spirometries.
...
understanding better the variables COPD and asthma in the SHHS. 1/ On COPD for say the first
...
chronic obstructive pulmonary disease (COPD)? variable "crbron15": Doctor of
...
are two types of COPD, yet the COPD variable has only n=62
...