To our knowledge, only a recent population-based prospective study conducted in Italy investigated the issue.
就我们所知，意大利只是最近有一个基于人群的前瞻性研究涉及这个问题。
The next step is to design a prospective study so that we can see if these observed differences are actually real.
下一步需要设计一项前瞻性调查，这样我们就能知道是否真的存在这些观测到的差异。
This prospective study included pregnant women registered in health stations in randomly-selected communes in Ha Nam province.
这项前瞻性研究包括了在哈南省随机选择的社区卫生站中登记的孕妇。
In a prospective study, participants are followed over time (e.g. across five years), and baseline information is compared with later follow-ups.
在前瞻性研究当中，参与者在一段时间内(例如持续五年)被跟踪调查，基线信息会与后续的信息相比较。
The researchers noted that cognitive issues identified during the prospective study appear to be associated with hypoxia rather than with the quality and duration of sleep.
研究人员指出，在前瞻性研究中被证明认知障碍的发生似乎是与缺氧有关，而与睡眠质量和时间无关。
A prospective study of postpartum depression: biological and psychosocial factors.
产后抑郁的有关心理、社会和生物学因素研究。
DESIGN: Randomized, single blind and placebo control prospective study based on patients.
设计：以患者为研究对象，随机、单盲、安慰剂对照的前瞻性研究。
Our aim was to conduct a large prospective study of the incidence and clinical course of PPT.
目的：我们的目标是要进行一项关于产后甲状腺炎发生率和临床结局的大型前瞻性研究。
A prospective study was done of serum calcitonin levels in 61 patients with bronchogenic cancer.
我们对61例支气管癌患者血清降钙素水平作了前瞻性研究。
Objective: our aim was to conduct a large prospective study of the incidence and clinical course of PPT.
目的：我们的目标是要进行一项关于产后甲状腺炎发生率和临床结局的大型前瞻性研究。
Inflammatory cytokines and risk of coronary heart disease: new prospective study and updated meta-analysis.
炎症因子与冠心病的风险：新的前瞻性研究和更新的荟萃分析。
Objective To investigate the etiology and clinical features of acute renal failure (ARF) by prospective study.
目的对急性肾功能衰竭(ARF)进行前瞻性研究，总结ARF病因和临床特点。
Maternal intake of fat in pregnancy and offspring metabolic health - a prospective study with 20 years of follow-up.
孕妇孕期脂肪摄入与后代代谢健康-20年随访的前瞻性研究。
However, he acknowledged that a prospective study was needed to take a closer look at MR results from zero to six weeks.
然而，他承认需要前瞻性研究以进一步了解术后零到六周内的MR结果。
A large prospective study last year showed the A-B behavior distinction was not associated with coronary artery disease.
去年的一项大规模前瞻性研究表明，A - B型行为差异与冠心病没有联系。
The influence of contrast material on renal venous renin activity was evaluated in a prospective study of 20 hypertensive patients.
我们对20例高血压患者作了前瞻性研究，以评定造影剂对肾静脉肾素活性的影响。
Results: This prospective study shows that total posterior vitreous detachment has a clear preventive effect on both complications.
结果：全玻璃体后脱离有明确的预防两个并发症的作用。
A prospective study in a suburban children's hospital published in 2007, showed that 87% of the cases during the study period were bacterial.
在2007年发表的来自于一个郊区儿童医院的前瞻性研究结果表明，在研究期间，87%的情况下为细菌性的。
Conclusion Time to pregnancy would be a practicable indicator for early reproductive damage both in retrospective study and in prospective study.
结论妊娠时间可作为妊娠早期生殖损伤筛选指标之一。
Conclusion: This large prospective study suggests that high total cholesterol at baseline is associated with an increased risk of Parkinson disease.
结论：此大规模地前瞻性研究表明高总胆固醇基线水平与帕金森病的发病风险增加相关。
Methods: 790 crew men receiving special training from the naval destroyers were selected by cluster sampling and investigated with prospective study.
方法：以整群抽样方式选取海军某驱逐舰支队官兵790人，对全年军事训练伤进行前瞻性流行病学调查。
The study is reportedly the first prospective study to assess risk factors related to bullous pemphigoid relapse after cessation of maintenance therapy.
此研究据报道是第一项关于大疱性类天疱疮复发危险因素评价的前瞻性研究。
CONCLUSIONS: This prospective study suggests that diabetes and elevated glucose levels are associated with incident CHD in the general Japanese population.
结论：这一前瞻性研究提示在一般日本人群中糖尿病和葡萄糖水平升高与冠心病发病相关联。
Serial dopamine transporter imaging of nigrostriatal function in patients with idiopathic rapid-eye-movement sleep behaviour disorder: a prospective study.
连续多巴胺转运蛋白显像与特发性快动眼睡眠行为障碍患者的黑质纹状体功能：一项前瞻性研究。
According to requirements of prospective study, this research performed randomized controlled study on 52 patients of Cervical Spondylosis (radiculopathic type).
根据前瞻性研究的要求，本研究对52例神经根型颈椎病患者进行了随机对照观察。
This kind of study, called a prospective study, is considered more accurate because it does not require people to remember their cell phone use later but tracks it in real time.
这种所谓的前瞻性研究可记录到实际的使用手机时间，比凭记忆估计得到的使用手机时间结果更准确。
METHODS The prospective study method was applied, and 193 patients after receiving hepatobiliary operations were observed to analyze the causes for postoperative nosocomial infection.
方法采用前瞻性研究方法，对193例肝胆术后患者进行观察，分析了术后医院感染的原因。
The Singapore Chinese Health Study, funded by the U. S. National Institutes of Health, National Cancer Institute, is a population-based prospective study initiated between 1993 and 1998.
新加坡华人健康研究是由美国国立健康协会及国立肿瘤协会赞助的，是在1993年至1998年间一项基于人群的前瞻性研究。
Methods: a 3 year prospective study involving methacholine challenge tests and serially administered questionnaires was undertaken in 769 apprentices exposed to high molecular weight allergens.
方法：在为期3年的前瞻性研究中，对769名暴露于高分子量变应原的学徒工进行乙酰甲胆碱激发试验和系列的问卷调查。
Methods: a 3 year prospective study involving methacholine challenge tests and serially administered questionnaires was undertaken in 769 apprentices exposed to high molecular weight allergens.
方法：在为期3年的前瞻性研究中，对769名暴露于高分子量变应原的学徒工进行乙酰甲胆碱激发试验和系列的问卷调查。
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