If we could not find a single factor with high predictive value for nonresponders, could we set a score consisting of several independent factors?

如果没有办法发现单个有预测价值的指标，是否能够设定一个由多种指标构成的评分系统？

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Eligible subjects, randomized within GP, were mailed a personal invitation. Nonresponders in groups 2 and 3 were invited again at 12 and 24 months.

合格的受试者，普通执业医师(全科医师)随机化设计，通过个人邮件邀请。组2和组3中无应答者在12个月和24个月时候被重新邀请。

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At baseline, those who responded to furosemide had significantly less severe expiratory airflow limitation and hyperinflation than did nonresponders, the investigators report.

研究人员报道，基础水平时，对速尿有反应者与无反应者相比，严重的呼气流量受限和过度充气显著下降。

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At baseline, those who responded to furosemide had significantly less severe expiratory airflow limitation and hyperinflation than did nonresponders, the investigators report.

研究人员报道，基础水平时，对速尿有反应者与无反应者相比，严重的呼气流量受限和过度充气显著下降。

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