从平均住院天数来看，男孩22天，女孩18天。
The mean hospital stay was 22 days for boys and 18 days for girls.
治疗组住院费用低于对照组，平均住院天数短于对照组。
The patients in the control group were treated with Western therapy.
组的退出治疗的人数和平均住院天数显著少于B组（P<0.01）。
The exiting people and average hospitalization days of group A are significantly less than group B(P<0.01).
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