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Making inferences on treatment effects from real world data: propensity scores, confounding by indication, and other perils for the unwary in observational research

BMJ 2013; 347 doi: https://doi.org/10.1136/bmj.f6409 (Published 11 November 2013) Cite this as: BMJ 2013;347:f6409

Article usage

Article metrics provide readers and authors with an indication of how often a specific article has been accessed month by month. It counts three formats - abstract/extract, full text and pdf. The page is updated each day.

Usage statistics: November 2013 to June 2018

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AbstractFullPdf
Nov 201302467763
Dec 20130473108
Jan 2014032955
Feb 2014032869
Mar 2014027265
Apr 2014026056
May 2014022864
Jun 2014016635
Jul 2014013739
Aug 2014012637
Sep 201409635
Oct 201405622
Nov 201407137
Dec 2014010132
Jan 2015011760
Feb 2015010643
Mar 2015012075
Apr 2015011355
May 201509939
Jun 201504141
Jul 201502915
Aug 201504125
Sep 201504517
Oct 201505619
Nov 201508318
Dec 201509320
Jan 201609626
Feb 2016010020
Mar 201618826
Apr 201608743
May 201608318
Jun 201609432
Jul 201615724
Aug 2016010037
Sep 201608741
Oct 201607231
Nov 201627330
Dec 201606029
Jan 201706925
Feb 201709217
Mar 2017011932
Apr 201709930
May 2017227522
Jun 2017011616
Jul 2017013321
Aug 2017010136
Sep 2017017420
Oct 2017011022
Nov 201708425
Dec 201709928
Jan 2018018122
Feb 2018514129
Mar 2018014845
Apr 201809626
May 2018110242
Jun 201815919
Total1392482678