查询词典 cohort

In a nested case-control study from the Providence, R.I., cohort of the Collaborative Perinatal Project, 27 adults with schizophrenia and other psychotic illnesses and 54 controls were matched for sex, ethnicity, and birth date.

在美国罗德岛州普洛威斯顿市的一项病例与对照组的周产期合作研究中：试验组包括27名精神分裂症和其他精神疾病患者，对照组包括54人，两组的年龄、种族和出生日期可相匹配。

Methods A retrospective cohort for the risk factors and clinical biochemical indexes of 66 old patients with ICAO were studied, and was compared with 26 middleaged patients with ICAO.

回顾分析66例老年ICAO患者的危险因素和临床生化指标，并将其与26例中青年ICAO患者进行比较。

Positive study results show that the estimative error of this approach is smaller than the Cohort approach and Jarrow's approach, especially in the period which macro economic condition changing dramatically.

第三章在Jarrow等(1997)研究的基础上，使用非时齐条件Markov链描述信用评级迁移过程，将信用评级迁移的生成矩阵进行对角化处理，给出信用评级迁移矩阵与生成矩阵的关系；然后，利用Cox风险模型将宏观经济影响因子CFNAI考虑在内，得到信用评级迁移的生成矩阵；继而借助于信用评级迁移矩阵与生成矩阵的关系得到信用评级迁移矩阵；最后使用信用评级迁移矩阵的历史数据对本文估计方法的有效性进行了检验。

Using a four-day food record and measurements of serum fatty acid composition, investigators in the Kuopio Ischaemic Heart Disease Risk Factor Study determined the association of dietary linoleic and total PUFA intake with cardiovascular and overall mortality in a population-based cohort of 1,551 middle-aged men.

透过一项为期4天的饮食纪录，以及评估血中脂肪酸组成，Kuopio缺血性心脏疾病危险因子试验的研究者，针对1，551位中年男性的群体基础族群，确定饮食中亚麻油酸、整体PUFA摄取与心血管与整体死亡率之间的关系。

Mr Lugo takes his place in a cohort of left-wing leaders who have come to power in Latin America in the past few years.

Lugo先生在拉丁美洲过去几年来掌握权力的左翼领导人集团中占据了自己的位置。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。