Intended for healthcare professionals

Education And Debate

Meta-analysis: Unresolved issues and future developments

BMJ 1998; 316 doi: https://doi.org/10.1136/bmj.316.7126.221 (Published 17 January 1998) Cite this as: BMJ 1998;316:221

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 August 2020

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AbstractFullPdf
Jul 20030770
Aug 200301130
Sep 200301500
Oct 200301640
Nov 200302340
Dec 200301750
Jan 200411450
Feb 200401321
Mar 200401551
Apr 200401500
May 200402260
Jun 200402080
Jul 200401870
Aug 200401690
Sep 200491580
Oct 2004131480
Nov 2004101590
Dec 2004261880
Jan 2005211830
Feb 2005101590
Mar 200571540
Apr 200513950
May 200561180
Jun 20057900
Jul 200515960
Aug 20057483
Sep 2005141450
Oct 2005211870
Nov 200571751
Dec 200581450
Jan 2006101610
Feb 2006151440
Mar 200681120
Apr 20067950
May 2006121333
Jun 2006101180
Jul 2006111100
Aug 2006131010
Sep 20063840
Oct 2006121440
Nov 2006211453
Dec 20069830
Jan 2007171240
Feb 200791030
Mar 200751530
Apr 20079970
May 2007131280
Jun 200771330
Jul 20074870
Aug 200771380
Sep 200751140
Oct 200731210
Nov 2007101240
Dec 20073670
Jan 2008121140
Feb 200881490
Mar 200871250
Apr 200851190
May 200861180
Jun 2008131670
Jul 20086980
Aug 20081690
Sep 200861050
Oct 2008191470
Nov 2008191180
Dec 200811700
Jan 200916410
Feb 200915340
Mar 200927560
Apr 2009211140
May 200910300
Jun 200915210
Jul 200923400
Aug 200914590
Sep 200914240
Oct 200915340
Nov 200911131
Dec 20097220
Jan 201015190
Feb 201014260
Mar 201019391
Apr 201011220
May 201026290
Jun 201013250
Jul 201021310
Aug 201021580
Sep 201029520
Oct 201042220
Nov 201066280
Dec 201032190
Jan 201156270
Feb 201152230
Mar 201139300
Apr 201158310
May 201165250
Jun 201136170
Jul 201128460
Aug 201111860
Sep 201137690
Oct 201181000
Nov 20117860
Dec 20110800
Jan 201266370
Feb 201281310
Mar 201265110
Apr 201246100
May 201217140
Jun 20129160
Jul 201213140
Aug 201223120
Sep 20123070
Oct 201257180
Nov 201278160
Dec 20123690
Jan 201343110
Feb 20132060
Mar 20132130
Apr 20132630
May 20132740
Jun 20133080
Jul 201346270
Aug 20133390
Sep 20134270
Oct 201327170
Nov 201387210
Dec 201398160
Jan 20145820
Feb 20145440
Mar 20146730
Apr 20146770
May 20145830
Jun 20145640
Jul 20142892
Aug 20145230
Sep 20145100
Oct 20142410
Nov 20144280
Dec 201460130
Jan 201569110
Feb 201550100
Mar 20155180
Apr 20154970
May 20155950
Jun 20153460
Jul 20154470
Aug 201549100
Sep 20153690
Oct 20154330
Nov 20155550
Dec 20155860
Jan 20167290
Feb 20165460
Mar 2016473329
Apr 20164540
May 20165710
Jun 2016552012
Jul 201648250
Aug 20164580
Sep 20164760
Oct 20165030
Nov 20164710
Dec 20164560
Jan 20174520
Feb 201737170
Mar 20174960
Apr 20175110
May 20175630
Jun 20175040
Jul 20174530
Aug 20175530
Sep 20175440
Oct 20175560
Nov 201734100
Dec 20172880
Jan 201834100
Feb 201833110
Mar 20182340
Apr 20182230
May 20182050
Jun 20182780
Jul 20181850
Aug 201821100
Sep 20182150
Oct 20181910
Nov 20182680
Dec 20181700
Jan 20192640
Feb 201913130
Mar 20191170
Apr 20191750
May 20192120
Jun 20191830
Jul 20192140
Aug 20193960
Sep 20191950
Oct 20192840
Nov 20191640
Dec 20192450
Jan 20202610
Feb 20202710
Mar 20201520
Apr 20201940
May 20203260
Jun 20203120
Jul 20203070
Aug 2020100
Total55201112457