Table 5.

Results of the meta-analysis of asthma control.

Study	Sample size	Proportion (%)	95% CI	Weight (%)
				Fixed	Random
Backer 2018	2220	67.4	65.4–69.3	52.1	25.5
Park 2019	85	58.8	48.4–69.3	1.8	12.1
Schmidt 2017	1363	62.4	59.8–64.9	29.9	24.8
Wan 2017	618	60.0	58.1–65.8	13.5	22.9
Usmani 2017	126	45.2	36.5–53.9	2.6	14.6
Total (fixed effects)	4412	64.4	63.0–65.8	100.0	100.0
Total (random effects)	4412	60.6	55.7–65.6	100.0	100.0