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Research

Evidence of methodological bias in hospital standardised mortality ratios: retrospective database study of English hospitals

BMJ 2009; 338 doi: https://doi.org/10.1136/bmj.b780 (Published 18 March 2009) Cite this as: BMJ 2009;338:b780

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: March 2009 to November 2019

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AbstractFullPdf
Mar 20091334394435
Apr 2009441552556
May 2009174173150
Jun 2009828768
Jul 2009738046
Aug 2009767927
Sep 2009736622
Oct 2009736435
Nov 2009606442
Dec 2009889348
Jan 2010816139
Feb 2010736937
Mar 2010818853
Apr 2010917059
May 2010634846
Jun 2010474937
Jul 2010424126
Aug 2010392830
Sep 2010563833
Oct 2010504624
Nov 2010545943
Dec 2010343637
Jan 2011455324
Feb 2011283722
Mar 2011323629
Apr 2011253329
May 2011181426
Jun 2011211640
Jul 2011211324
Aug 2011192122
Sep 201124108
Oct 2011231918
Nov 201192411
Dec 20110429
Jan 20120378
Feb 201204918
Mar 201205712
Apr 201222512
May 2012112413
Jun 2012163611
Jul 201272612
Aug 201262111
Sep 20126357
Oct 201201138
Nov 201208715
Dec 20120460
Jan 20130904
Feb 2013268223
Mar 2013012522
Apr 2013113533
May 2013214638
Jun 2013110911
Jul 2013018718
Aug 2013315426
Sep 20135123524
Oct 2013225241
Nov 2013437721
Dec 2013427210
Jan 2014116516
Feb 2014018116
Mar 2014120724
Apr 2014017611
May 201411879
Jun 2014015929
Jul 20140736
Aug 2014017114
Sep 2014019716
Oct 20140495
Nov 20142408
Dec 201457023
Jan 201555611
Feb 201517319
Mar 201539448
Apr 201519728
May 2015113816
Jun 201539320
Jul 201519821
Aug 2015214023
Sep 201536513
Oct 2015011410
Nov 201511967
Dec 2015171165
Jan 2016261407
Feb 20161214212
Mar 2016110216
Apr 2016110711
May 2016612610
Jun 2016510420
Jul 20164905
Aug 2016011215
Sep 2016111321
Oct 2016210611
Nov 2016012818
Dec 20163948
Jan 20172815
Feb 201711019
Mar 20170947
Apr 20171999
May 201707320
Jun 201705410
Jul 20170619
Aug 20170486
Sep 20170499
Oct 201706311
Nov 20170529
Dec 20170768
Jan 2018010219
Feb 2018411921
Mar 201805311
Apr 20181398
May 201865913
Jun 20185528
Jul 201824213
Aug 20182458
Sep 20180343
Oct 201825010
Nov 201845213
Dec 201824710
Jan 20192477
Feb 201944912
Mar 201935415
Apr 201925614
May 20194317
Jun 201913921
Jul 201913614
Aug 201904511
Sep 201905213
Oct 201914015
Nov 20190185
Total3691131543488