TY - T1的正常的下限< em > versus a fixed ratio to assess airflow limitation: will the debate ever end? JF - European Respiratory Journal JO - Eur Respir J DO - 10.1183/13993003.00403-2018 VL - 51 IS - 3 SP - 1800403 AU - Smith, Lewis J. Y1 - 2018/03/01 UR - //www.qdcxjkg.com/content/51/3/1800403.abstract N2 - A normal test result is typically differentiated from an abnormal result by identifying those values that fall within (normal) and outside (abnormal) the 95% confidence interval for that test, after the test is evaluated in healthy individuals from the intended population. This approach acknowledges that 5% of a normal population will have an abnormal test result and some individuals with a normal test result will have the disease the test is designed to identify. Such trade-offs are common in the practice of medicine.Identifying airflow limitation using an FEV1/FVC less than 0.70 in a general population of young adults can no longer be justified http://ow.ly/MRzo30iWja5 ER -