Patients in the treatment group took Modified Li Zhong Tang on the basis of conventional western treatment.

治疗组在西医常规治疗基础上服用加味理中汤。

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SNMC was given to patients in the treatment group and routine antihistamine drug was given to the control group.

治疗组给予美能片，对照组给予常规抗组胺药。

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The patients in the treatment group were treated with allopurinol or benzbromarone to control their uric acid to the normal range.

治疗组患者予别嘌呤醇控制血尿酸于正常范围内。

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The gold standard for testing medical treatments is the randomized trial, in which patients are randomly assigned to a treatment or control group to spread patient differences evenly and avoid bias in results.

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