Intended for healthcare professionals

Education And Debate

Statistics Notes: Measurement error

BMJ 1996; 313 doi: https://doi.org/10.1136/bmj.313.7059.744 (Published 21 September 1996) Cite this as: BMJ 1996;313:744

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: July 2003 to June 2019

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AbstractFullPdf
Jul 200303020
Aug 200302480
Sep 200303610
Oct 200303870
Nov 200303070
Dec 200302970
Jan 200403710
Feb 200403270
Mar 200424140
Apr 200412950
May 200423900
Jun 200454150
Jul 200424530
Aug 200465410
Sep 200473940
Oct 2004204010
Nov 200495150
Dec 2004406230
Jan 2005295660
Feb 2005193890
Mar 2005376060
Apr 2005295710
May 2005495920
Jun 2005303360
Jul 2005273700
Aug 2005334140
Sep 2005254874
Oct 2005354360
Nov 2005615990
Dec 2005395470
Jan 2006285490
Feb 2006445640
Mar 2006456590
Apr 2006325460
May 2006406000
Jun 2006334330
Jul 2006364300
Aug 2006214960
Sep 2006297480
Oct 2006486520
Nov 2006346330
Dec 2006183910
Jan 2007185140
Feb 2007154490
Mar 2007176020
Apr 2007215290
May 200774381
Jun 200733430
Jul 2007203580
Aug 2007123800
Sep 200785260
Oct 2007175660
Nov 2007205600
Dec 2007163861
Jan 2008174790
Feb 2008145100
Mar 2008235410
Apr 2008265930
May 2008245720
Jun 2008265591
Jul 2008334960
Aug 2008304480
Sep 2008225750
Oct 2008305740
Nov 2008284470
Dec 2008143090
Jan 20091232610
Feb 20091202300
Mar 20091482490
Apr 20091192390
May 20091132550
Jun 20091152090
Jul 20091022111
Aug 2009911800
Sep 20091503560
Oct 20091864070
Nov 20091583271
Dec 20091162570
Jan 20101142490
Feb 20101583750
Mar 20101314460
Apr 20101603310
May 20101432561
Jun 20101352580
Jul 20101102320
Aug 2010902020
Sep 20101512100
Oct 20102012230
Nov 20101511780
Dec 20101381210
Jan 20111481930
Feb 20111401680
Mar 20111731820
Apr 2011891460
May 2011701640
Jun 2011891800
Jul 2011591900
Aug 2011342860
Sep 2011412740
Oct 2011363360
Nov 2011112200
Dec 201101040
Jan 201257850
Feb 2012861010
Mar 2012991200
Apr 2012871220
May 2012121080
Jun 201211980
Jul 2012131000
Aug 2012151080
Sep 20121091070
Oct 20122601700
Nov 20123662010
Dec 20121911200
Jan 20131831070
Feb 2013174900
Mar 20132081120
Apr 2013130940
May 20131711280
Jun 2013165970
Jul 20131201040
Aug 20131391010
Sep 2013160910
Oct 20131991120
Nov 20131551580
Dec 20131311150
Jan 20141311350
Feb 20142031350
Mar 20141821230
Apr 20141681280
May 2014154880
Jun 20141191170
Jul 2014213010
Aug 2014101289
Sep 201401567
Oct 20140560
Nov 20140563190
Dec 201401427479
Jan 20150713208
Feb 20150934267
Mar 2015044814
Apr 2015044710
May 2015028821
Jun 2015025232
Jul 20150357140
Aug 2015024819
Sep 2015019215
Oct 201503008
Nov 2015138412
Dec 2015030710
Jan 2016029912
Feb 20160477107
Mar 2016045055
Apr 2016243631
May 2016236413
Jun 20168528152
Jul 2016530910
Aug 2016435649
Sep 2016040412
Oct 2016338627
Nov 2016341633
Dec 20162500175
Jan 2017240769
Feb 201713910
Mar 201703820
Apr 201703220
May 201703180
Jun 201702590
Jul 201702590
Aug 201703500
Sep 201703970
Oct 201703730
Nov 201704100
Dec 201704030
Jan 201803900
Feb 201853800
Mar 201814500
Apr 201834290
May 201845550
Jun 201855820
Jul 201803570
Aug 201814020
Sep 201813980
Oct 201803170
Nov 201823460
Dec 201823770
Jan 201904020
Feb 201943790
Mar 201903160
Apr 201932640
May 201921950
Jun 201911740
Total9766668282206