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Education And Debate

Statistics notes: Sample size in cluster randomisation

BMJ 1998; 316 doi: https://doi.org/10.1136/bmj.316.7130.549 (Published 14 February 1998) Cite this as: BMJ 1998;316:549

Article usage

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Usage statistics: July 2003 to August 2019

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AbstractFullPdf
Jul 2003521560
Aug 2003691580
Sep 2003501700
Oct 2003452350
Nov 2003711920
Dec 2003511950
Jan 2004802540
Feb 2004542290
Mar 2004572711
Apr 2004632380
May 2004732910
Jun 2004862960
Jul 20041082690
Aug 20041172830
Sep 2004992320
Oct 2004622410
Nov 2004762640
Dec 2004802100
Jan 2005793750
Feb 20059022346
Mar 200571250181
Apr 200570285170
May 200540325152
Jun 200548316199
Jul 20053420095
Aug 200549289158
Sep 200542312159
Oct 200562186163
Nov 200564224161
Dec 200555189126
Jan 200640210123
Feb 200659328160
Mar 200669325163
Apr 200656301121
May 200660348165
Jun 200642278132
Jul 20064626399
Aug 200640266132
Sep 20063723298
Oct 200671292150
Nov 200667306148
Dec 20063823797
Jan 200744241122
Feb 200767319128
Mar 200758369134
Apr 200779278126
May 200746354136
Jun 20075726193
Jul 20073624485
Aug 20073227995
Sep 200753351123
Oct 200760402132
Nov 200747328101
Dec 200733315107
Jan 200830363123
Feb 200866411136
Mar 200850475138
Apr 200861476128
May 200864468123
Jun 200881443106
Jul 200854325122
Aug 20086131387
Sep 200890377112
Oct 2008105366116
Nov 2008105342125
Dec 20084727287
Jan 2009190177116
Feb 2009226174103
Mar 2009305208114
Apr 2009231170102
May 200922617494
Jun 200921414488
Jul 200919115168
Aug 200918310472
Sep 200919513070
Oct 2009243148100
Nov 200922416686
Dec 200917913172
Jan 201020614677
Feb 201020414793
Mar 2010290219131
Apr 201022915488
May 201022516190
Jun 201017616081
Jul 201016912564
Aug 2010164150102
Sep 201020212573
Oct 201024120580
Nov 201017714481
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Jan 201116410256
Feb 20111639156
Mar 201119013784
Apr 20111467758
May 2011926854
Jun 20111488262
Jul 20118410560
Aug 201110817170
Sep 20114122379
Oct 201160338103
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Dec 2011027164
Jan 201213116559
Feb 201214211550
Mar 201213312858
Apr 201212410553
May 2012416729
Jun 2012436122
Jul 2012456021
Aug 2012468341
Sep 2012395127
Oct 2012848933
Nov 201212611737
Dec 201247358
Jan 2013324813
Feb 201331456
Mar 201369439
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May 2013908426
Jun 2013857123
Jul 2013728245
Aug 2013564917
Sep 2013696025
Oct 2013859329
Nov 20131018931
Dec 2013897024
Jan 2014846420
Feb 2014928632
Mar 20141086624
Apr 2014827525
May 201467368
Jun 2014606722
Jul 2014311239
Aug 20141515637
Sep 2014024846
Oct 2014120725
Nov 2014818033
Dec 20141023061
Jan 2015713448
Feb 2015710065
Mar 2015710776
Apr 201538152
May 201528290
Jun 201537551
Jul 201595737
Aug 201576071
Sep 201576548
Oct 201547525
Nov 20151211135
Dec 2015149734
Jan 20161911842
Feb 2016914443
Mar 2016911150
Apr 201677235
May 2016410134
Jun 201638141
Jul 2016235428
Aug 201615429
Sep 201606840
Oct 201626942
Nov 201627644
Dec 201685534
Jan 201705930
Feb 201706944
Mar 201706639
Apr 201706132
May 2017010639
Jun 201717132
Jul 201707328
Aug 201708831
Sep 201705529
Oct 201707237
Nov 201705933
Dec 201706326
Jan 201807038
Feb 201826727
Mar 201805130
Apr 201805129
May 201824732
Jun 201807037
Jul 201824528
Aug 201805531
Sep 201814933
Oct 201825839
Nov 201836136
Dec 201807236
Jan 201926845
Feb 201958466
Mar 201906625
Apr 201938240
May 201954924
Jun 201925224
Jul 201923922
Aug 201936217
Total128503220412122