In the age subgroup, for FEV 1 % predicted, the children/adolescent subgroup ( < 18 years, k = 13) showed a pooled effect of MD = 3.81% (95% CI: 1.30–6.31, P < 0.001; I 2 = 60.07%), and the adult subgroup ( ≥ 18 years, k = 3) showed MD = 17.48% (95% CI: 3.59–31.37, P = 0.013; I 2 = 91.46%); the between-subgroup difference did not reach statistical significance (Qb = 3.60, P = 0.06).
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Effect of physical activity on pulmonary function and quality of life in asthma patients: a systematic review and meta-analysis.
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