Intended for healthcare professionals

Education And Debate

Interpreting the results of secondary end points and subgroup analyses in clinical trials: should we lock the crazy aunt in the attic?

BMJ 2001; 322 doi: https://doi.org/10.1136/bmj.322.7292.989 (Published 21 April 2001) Cite this as: BMJ 2001;322:989

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 May 2021

Rendering graph...
AbstractFullPdf
Jul 200304624
Aug 200304920
Sep 200346632
Oct 200304835
Nov 200304633
Dec 200304632
Jan 200404728
Feb 200403321
Mar 200405038
Apr 200414441
May 200408144
Jun 200409419
Jul 200406864
Aug 200407036
Sep 200417529
Oct 200415336
Nov 200446045
Dec 2004265840
Jan 2005236129
Feb 200564926
Mar 200547313
Apr 200524123
May 200515917
Jun 2005104825
Jul 200564128
Aug 200535933
Sep 200506534
Oct 200517200114
Nov 2005116445
Dec 200537430
Jan 200645824
Feb 200645728
Mar 2006147936
Apr 200645431
May 200655422
Jun 2006104424
Jul 200634419
Aug 200622912
Sep 200625129
Oct 200646434
Nov 200633725
Dec 200613220
Jan 200724426
Feb 200756433
Mar 200763922
Apr 200714625
May 200754533
Jun 200754234
Jul 200724243
Aug 200724323
Sep 2007103926
Oct 200744228
Nov 200745330
Dec 200713919
Jan 200836023
Feb 200807419
Mar 200805622
Apr 200818424
May 200827936
Jun 200836732
Jul 200817418
Aug 200876921
Sep 200838326
Oct 200888335
Nov 2008145235
Dec 200863828
Jan 2009412018
Feb 2009364023
Mar 2009373230
Apr 2009383514
May 2009453311
Jun 200944335
Jul 2009401511
Aug 2009422411
Sep 2009462414
Oct 2009352917
Nov 2009373313
Dec 2009874
Jan 2010161920
Feb 2010121112
Mar 2010252830
Apr 2010412954
May 2010473019
Jun 20101873118
Jul 2010522612
Aug 2010372528
Sep 2010582816
Oct 2010792612
Nov 201062229
Dec 201041129
Jan 2011503312
Feb 201156176
Mar 2011542018
Apr 2011301115
May 2011851430
Jun 20112988
Jul 2011361017
Aug 2011153532
Sep 2011203717
Oct 2011216715
Nov 201184415
Dec 20110445
Jan 201272367
Feb 201252347
Mar 201254103
Apr 201232155
May 20122066
Jun 20122631
Jul 201219105
Aug 201216128
Sep 201220118
Oct 201222113
Nov 201231206
Dec 201211123
Jan 20131660
Feb 201319194
Mar 201314171
Apr 201319121
May 20134782
Jun 20133771
Jul 201320136
Aug 201317204
Sep 201334218
Oct 2013452615
Nov 2013713411
Dec 201354248
Jan 201470143
Feb 201457154
Mar 201478225
Apr 2014782912
May 201450177
Jun 201442124
Jul 20144906
Aug 20143965
Sep 20141500
Oct 20141522
Nov 20144061
Dec 20143552
Jan 20154054
Feb 20151487
Mar 20152042
Apr 20152075
May 20152484
Jun 20152012
Jul 20151632
Aug 20152386
Sep 2015533
Oct 20151672
Nov 201532164
Dec 20153094
Jan 20168294
Feb 20165861
Mar 20168203
Apr 20161551
May 20164142
Jun 201638111
Jul 20162452
Aug 20163932
Sep 20162054
Oct 20162000
Nov 2016752
Dec 201612113
Jan 2017740
Feb 20171850
Mar 20179125
Apr 20171163
May 20171783
Jun 20171650
Jul 20171030
Aug 20171974
Sep 20171950
Oct 2017930
Nov 2017761
Dec 201715171
Jan 20181182
Feb 201812171
Mar 20181693
Apr 201817100
May 20183271
Jun 20181280
Jul 20187110
Aug 201812102
Sep 201824186
Oct 20181482
Nov 201819177
Dec 201861121
Jan 20192472
Feb 20192092
Mar 20192942
Apr 20193142
May 201926160
Jun 201925101
Jul 201914112
Aug 201921102
Sep 201918108
Oct 201913124
Nov 201913125
Dec 201921133
Jan 202020152
Feb 202020332
Mar 202026154
Apr 202024111
May 202088111
Jun 202026103
Jul 202064101
Aug 202015112
Sep 20202481
Oct 202041112
Nov 20204944
Dec 202027261
Jan 20213221
Feb 20211681
Mar 20213154
Apr 202145115
May 20212513
Total492160742956