The MI rate ratio with rofecoxib use was 1.59 in patients with a prior MI and 1.23 in those without a previous MI.

使用罗非昔布并且有心梗病史的患者心梗发生率为1.59%，而没有心梗病史的患者心梗发生率只有1.23%。

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Main outcome measures Rate ratio for stroke in periods of time exposed to antipsychotics compared with unexposed periods.

主要结果指标：服用抗精神病药物期间中风发生率与未服药期间中风发生率之间的比率。

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The peak flow rate ratio(E/A)in early and late of diastolic phase and the flow rate deceleration in early diastolic phase(EDC)also showed significant differences.

高血压病各组与健康对照组比较，舒张早期与舒张晚期峰值流速的比值（E/A），以及舒张早期流速的减速度（EDC）差异有显著性意义；

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Because I see low costs of capital for corporations persisting along with a low tax rate and below average ratio of employment costs, earnings seem secure even in a below normal GDP setting of 2 percent.

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Valuation compared to its projected five-year growth rate is also modest: Limited's PEG ratio (price-to-earnings ratio divided by long-term growth rate of 15%) is 0.96.

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The Dividend Integrity Index simply divides the past 5 year dividend growth rate by the dividend payout ratio, and listed values greater than one.

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