分类变量以优势 4 / 11 比(odds ratio，OR)和需要治疗的患者数(number needed to treat，NNT)作为临床疗效评价的指标。
基于4个网页-相关网页
需要治疗的患者数 NNT ; number needed to treat
需治疗的患者数 number needed to treat ; NNT
个事件需治疗的患者数 Number needed to be treated ; NNT
发生必须治疗的患者数 number needed to treat ; NNT
治疗同类患者的人数 nubmer needed to treat ; NNT
治疗同类患者的例数 NTT ; Number needed to treat
好消息是现在已有数种有效的治疗方法问世，而且大部分患者在最初数周的治疗后即会有所好转。
The good news is that there are several effective treatments available to fight depression, and that most sufferers begin feeling better within several weeks of beginning therapy.
另外，对于进行联合治疗的患者，在总存活数的延长方面，有令人欣喜的迹象。
In addition, encouraging signs of prolonged overall survival were seen in patients given the combination therapy.
但专家指出这名患者艾滋病病毒消失的原因尚未确定，究竟能否用骨髓移植治疗艾滋病还是未知数。
However, experts point out that the disappearance of HIV patients is not known yet, whether by bone marrow transplantation in the treatment of AIDS is still uncertain.
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