*3.1. Clinical Features of Patients with Asthma*

As presented in Table 1, 97 patients (42.86% men) with asthma were enrolled in the study. The mean age was 56.71 ± 12.62 years old. In total, 84.5% of patients were never smokers, and 57.7% of patients had steroid use. The mean of ACT score, FEV1% predicted, and FEV1/FVC were 20.3 ± 3.9, 71.3 ± 19.3, and 72.2 ± 12.9, respectively. Additionally, 7.2% of patients experienced an ED visit and 12.4% of patients had admission.


**Table 1.** Clinical features of patients with asthma.
