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NEJM:美国临床数据库使用情况调查

2017-03-30 MedSci MedSci原创

美国的研究人员近日通过调查数据请求访问、联系出版行政记录以及采用文献计量学的方法来研究国家心脏、肺和血液研究所数据库的利用率。

研究人员常强调临床信息共享的重要性,然而关于信息入档后利用率如何却很少有人关注。美国的研究人员近日通过调查数据请求访问、联系出版行政记录以及采用文献计量学的方法来研究国家心脏、肺和血液研究所数据库的利用率,其结果发表于近日的N Engl J Med。

研究从2000年1月持续至2016年5月。总共发生了370次查阅1个或多个的临床试验数据的纪录,其中195次的查阅是发生在统计的最后4.4年内,表明临床数据查阅需求近几年的增长;查阅数据的主要原因是二次分析时发现了新问题(72%),其次是研究临床试验的分析或统计方法(9%),荟萃分析或汇集研究(7%);在172项网上数据查阅请求中,只有2次是对原有结果进行重新分析; 88%的数据被查阅至少一次;临床数据从入档到第一次查阅的平均时间为235天; 47项试验数据,共发表了277篇文章; 有224篇文章被引用,50%的文章的被引用次数排在相应学科前36%。

研究者认为,对于原始临床试验数据二次分析的需求正持续增涨。但很少有学者对原始结果进行重新分析或验证原始结果。

原文出处:


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  2. [GetPortalCommentsPageByObjectIdResponse(id=2016699, encodeId=76a12016699c9, content=<a href='/topic/show?id=75a2228481a' target=_blank style='color:#2F92EE;'>#临床数据#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=22848, encryptionId=75a2228481a, topicName=临床数据)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=fa4f352, createdName=chenlianhui, createdTime=Thu Apr 06 23:25:00 CST 2017, time=2017-04-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=198031, encodeId=32d819803170, content=大数据时代数据的可靠性是个问题。, beContent=null, objectType=article, channel=null, level=null, likeNumber=74, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=00501987275, createdName=130****4638, createdTime=Sun May 14 15:15:54 CST 2017, time=2017-05-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1660812, encodeId=894216608128f, content=<a href='/topic/show?id=17b8268041b' target=_blank style='color:#2F92EE;'>#使用情况#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=26804, encryptionId=17b8268041b, topicName=使用情况)], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/aLGWoFXAyMbIu3qymFOyheQLjPSX3OUs5GmkyBlcCOwTPIeq3why9NGibxxUqYo6hcx8qZLHZFgNPnBK1yzWeOFpyg2OnWOt0/0, createdBy=fa4716, createdName=仁心济世, createdTime=Sun May 28 01:25:00 CST 2017, time=2017-05-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=185208, encodeId=8bdb185208b3, content=国内如何呢, beContent=null, objectType=article, channel=null, level=null, likeNumber=96, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3xjZ9qh3bhXrJtUlmycKGfQKPuADVZQsdNAQj5IrHHlzbGsDwScictBgogYRk8KhicpgEKwTEfOHgqw/0, createdBy=bc931611963, createdName=jin321, createdTime=Wed Apr 05 00:07:46 CST 2017, time=2017-04-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=184059, encodeId=347418405986, content=非常有帮助!, beContent=null, objectType=article, channel=null, level=null, likeNumber=1, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/DYAIOgq83epr1MZHfgreGEFrpiapjCGIQGZhkpjicialc8h7VoU0AjNiaSgpaZjNuIqq1KVbmI19JwrN2sdwTdWVSw/132, createdBy=f6692009961, createdName=sy3923582, createdTime=Fri Mar 31 17:20:46 CST 2017, time=2017-03-31, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=184032, encodeId=029618403251, content=大数据时代, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mONcle9pic3xjZ9qh3bhXrJtUlmycKGfQKPuADVZQsdNAQj5IrHHlzbGsDwScictBgogYRk8KhicpgEKwTEfOHgqw/0, createdBy=bc931611963, createdName=jin321, createdTime=Fri Mar 31 14:38:48 CST 2017, time=2017-03-31, status=1, ipAttribution=)]
    2017-05-14 130****4638

    大数据时代数据的可靠性是个问题。

    0

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    2017-04-05 jin321

    国内如何呢

    0

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    2017-03-31 sy3923582

    非常有帮助!

    0

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    2017-03-31 jin321

    大数据时代

    0

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