在5项涉及557名患者的研究中，更长时间的疗法比接受短时间疗法的患者心衰发生率降低接近75%。

In five studies involving 557 patients, the longer treatment cut the risk of heart failure by nearly 75 percent compared to the risk in patients who received the short treatment.

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只有时间才能证明这种疗法是否成功。

Only time will tell if the treatment has been successful.

《牛津词典》

第三组以光疗法的时间作为对照。

The third used the timing of light therapy as the control.

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