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1·Secondary endpoints, including forced expiratory volume in 1 s, peak expiratory flow, use of as-needed medication, and number of nights with awakenings were similar between genotype groups.

次要终点指标包括1秒呼出气量，峰流速，急救用药次数，夜间觉醒次数各基因型组之间均无显著差异。