目的：评价简单风险指数(SR I)对急性ST段抬高性心肌梗死(STEM I)病人住院死亡率的预测价值。

Objective: To evaluate the value of a simple risk index (SRI) which predict in-hospital mortality in ST-segment elevation myocardial infarction (STEMI).

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合约乘数与标的指数点位决定了股指期货的合约价值，对投资者的交易风险起到关键性的作用。

Contract multiplier and the underlying index point determine the value of stock index futures contracts, and play a key role on transaction risk to investors.

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目的探讨新生儿危重病例评分(NCIS)与新生儿临床危险指数(CRIB)评分对极低出生体重儿死亡风险评估的价值。

Objectives To investigate the value of neonatal critical illness scores (NCIS) and clinical risk index for babies (CRIB) in predicting the death risk in very low birth weight infants.

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