Effect of Routine Therapy Assisted by Physical Exercise on Pulmonary Function in Patients with Asthma in Stable Stage: A Systematic Review and Meta-analysis of Randomized Clinical Trials

Figure 5

Funnel plot analysis of FEV1 in the two groups: (a, b) funnel plot of FEV1 level before and after treatment in the experimental group (a) and the control group (b); (c) funnel plot of comparison of FEV1 level of patients after treatment in the experimental and control group.

(a) Begg’s funnel plot with pseudo-95% confidence limits

(b) Begg’s funnel plot with pseudo-95% confidence limits

(c) Begg’s funnel plot with pseudo-95% confidence limits