专家组的决定立足于一项历时5年，随访时间为12个月，包含149例肥胖患者的无对照非随机临床试验。

The Panel's decision was based on 12-month data from a 5-year, single-arm, non-randomized trial involving 149 obese individuals.

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本篇文献回顾提供了许多分析非处方人工泪液间直接比较的随机与半随机对照之临床试验需要的统合分析观点。

This review provides a much needed meta-analytical look at all randomized and quasi-randomized clinical trials that have analyzed head-to-head comparisons of OTC artificial tears.

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方法前期为一项前瞻性、随机、非盲对照临床试验，后期为队列研究。

Methods the clinical trial was a randomized non-blind parallel controlled study in the first 6 months.

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