All cohort data are affected by possible selection effects.

Research design and methods: Cohort study involving 2499 patients with ACS recruited from 11 UK hospitals.

研究设计及方法: 研究人群是来自英国11个医院的2499名患急性冠脉综合症的病人.

Cohort study has a high clinical operation, but it is difficult to control bias.

队列研究临床可操作性高, 但其控制偏倚差.

Study Design. Retrospectie cohort study using a hospital registry of all nonfederal acute care hospitals state.

研究设计. 回顾性序列研究一所华盛顿医院挂号处由于非致命性急性损伤的患者.

The patients were recruited from the Melbourne Collaborative Cohort Study, an established community based research population.

患者来自墨尔本协作队列研究, 建立社区人口研究.

Study Design: Cohort study; Level of evidence, 2.

研究设计: 队列研究; 证据等级:2级.

Study Design. A retrospective, cohort study.

研究设计: 一项回顾性 、 随访调查研究.

Study Design. A prospectie, radiographic cohort study.

研究设计. 前瞩性的关于影像的队列研究.

Study Design: Cohort study ( diagnosis ); Level of evidence, 2.

研究设计: 队列研究 ( 诊断 ); 证据水平:2级.

Study Design: Cohort study ( prevalence ); Level of evidence, 2.

研究设计: 队列研究 ( 患病的 ), 证据水平:2级.

Study Design. Clinical prospective cohort study in academic tertiary setting.

研究设计: 三级专科医院的临床前瞻性队列研究.

In total , 40 patients were enrolled in this historical prospective cohort study.

在这项历史前瞻性队列研究中纳入40例病例.

Study Design: Cohort study ( prognosis ); Level of evidence, 2.

研究设计: 队列研究 ( 预后 ); 证据等级:2级.

Study Design . Retrospectie cohort study with prospective clinical follow-up .

回顾性的队列研究和前瞻性的临床 随访 研究.

Study Design: This is a prospective radiographic cohort study.

研究设计: 该研究是一项前瞻性放射学队列研究.

Study Design: Cohort study ( prognosis ); Level of evidence, 4.

研究方法: 队列研究 ( 猜测 ), 4级可信度.

The reason why the two classes are bad cohorts, the letter says, is bad behavior.

而原因就是:他们的表现实在太差.

Reserved when required refreshingly unbiased and refreshingly not anti-Chelsea unlike the rest of his Sky cohorts.

有需要时会表现得含蓄、清爽地不偏不倚、而且清爽地不是切黑 – 跟他其余在天空体育的同伴不同.

With the two cohorts combined , nasal bone absence a sensitivity of 47.6 % and specificity of 100 %.

两个参数同时考虑时, 对鼻骨缺失的诊断敏感度达到47.6%,特异性达到100%.

Among his cohorts were the now-famous artists Degas, Monet and Cezanne.

与他趣味相投的朋友包括现在声名卓著的艺术家德迦 、 莫奈和塞尚.

Results. We included 22 articles reporting 18 different cohorts.

结果〕纳入了22篇文章,报告了18个不同的队列研究.