Research Article
The Anti-Inflammatory Effects of Invigorating Kidney and Supplementing Qi Chinese Herbal Formulae in Asthma Patients
Figure 2
The Kaplan–Meier curves for time of first severe asthma exacerbation. The incidence rates (%) of BSFC, BSYQ, and placebo group were 5.26%, 3.07%, and 3.74%, respectively; .