what are the benefits of screening for asthma
The evidence suggests that the potential benefit of spirometry-based screening for COPD is the prevention of one exacerbation or more by treating patients with previously undetected airflow obstruction. By definition, an exacerbation requires medical care.air evidence indicates that most persons with airflow obstruction do not recognize or report symptoms. Fair evidence also indicates that fewer than 10 percent of persons identified by screening spirometry have severe or very severe COPD using current diagnostic criteria. Benefits of detection and early treatment.