Among those people, there were 50 infections on placebo and 36 on the vaccine, which gives an efficacy of 26% but is not statistically significant, meaning it could happen by chance.

这些人当中，注射了安慰剂的那组有50人感染，注射了疫苗的那组有36人感染，效果是26%，但不具有统计学上的显著性，这意味着结果的出现具有偶然性。

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No significant differences in efficacy were found between iloprost and placebo, either overall or at any time point in the study.

这项研究在任何时点以及整个试验中显示伊洛前列素和安慰剂组之间疗效并无显著差别。

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For inflammatory lesions there was no statistically significant difference in efficacy between the study drug and clindamycin.

而对于炎性损伤，试验药物与克林霉素的效果没有统计意义上的显著差别。

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But it also included language in the amendment that pharmaceutical companies had to prove significant clinical efficacy enhancements of their drugs over already-patented compounds.

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In a note to investors last night, Porges wrote that the efficacy results, though significant, might be less than some doctors and investors were hoping for.

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"There is a significant body of scientific and clinical evidence supporting the safety and efficacy of ginkgo extract for both cognitive function and improved circulation, " said Mark Blumenthal, executive director of the American Botanical Council.

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