2.7 Data analysis
All network meta-analyses and standard meta-analyses were performed using the STATA (16.0 version). Continuous variables were expressed as weighted MD (WMD) or mean difference (MD), and 95% confidence intervals (95% CI) were calculated. The adjusted indirect comparisons were performed with MD and 95% CI to assess the indirect comparisons different types of exercise PR on childhood asthma quality of life, lung function and exercise capacity. We conducted a subgroup analysis of FEV1 and FEF25-75% based on different interventions to reduce heterogeneity and address potential confounding.
Results
Search results
A total of 10208 studies were retrieved, of which 1877 studies were replicated. By screening titles and abstracts, 55 studies were considered potentially eligible. After reading the full text, 24 studies [14-37] were finally included (Fig1).