(5) T75, the time required for 75% of FVC. Data analyses were performed using MATLAB R2023a (the MathWorks Inc., Natick, United States). The Lilliefors test was used for normality testing. For ...

The aforementioned symptoms and signs can be alleviated with treatment or resolve spontaneously. 2. Objective tests indicating variable airflow limitation: • Positive bronchodilator test. • Positive ...