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How to read a paper: Statistics for the non-statistician. I: Different types of data need different statistical tests

BMJ 1997; 315 doi: https://doi.org/10.1136/bmj.315.7104.364 (Published 09 August 1997) Cite this as: BMJ 1997;315:364

Article usage

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Usage statistics: July 2003 to January 2021

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AbstractFullPdf
Jul 2003019760
Aug 2003020072
Sep 2003028690
Oct 2003038390
Nov 20031426950
Dec 2003921030
Jan 2004427080
Feb 2004834050
Mar 20041632250
Apr 20041426930
May 20041126920
Jun 2004226820
Jul 2004726760
Aug 2004931070
Sep 20045039740
Oct 20048134900
Nov 20048931970
Dec 200413024050
Jan 200519237800
Feb 200516133940
Mar 200517438530
Apr 200516532350
May 200514128610
Jun 200512724940
Jul 200515524250
Aug 200512826340
Sep 200512835370
Oct 200519538320
Nov 200524340500
Dec 200516929650
Jan 200622235320
Feb 200626540110
Mar 200621539940
Apr 200617632570
May 200619335280
Jun 200616029520
Jul 200618727490
Aug 200616929720
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Oct 200619637400
Nov 200619337200
Dec 200614424000
Jan 200719830850
Feb 200713328260
Mar 200714338081
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May 200711430290
Jun 20078521910
Jul 200711021380
Aug 20079525470
Sep 20079332650
Oct 200710733880
Nov 200712033650
Dec 20077523330
Jan 200811833320
Feb 200815033730
Mar 200811032340
Apr 20089132490
May 20089930200
Jun 20088329490
Jul 20087323140
Aug 200812625950
Sep 200810329820
Oct 200815934012
Nov 200812733422
Dec 20088920881
Jan 200988815931
Feb 200994016262
Mar 2009107518610
Apr 2009107712810
May 200996311550
Jun 200981210090
Jul 20097109171
Aug 200980510900
Sep 200996813110
Oct 2009113815060
Nov 2009134315011
Dec 2009113510490
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Jul 2010101910160
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Oct 2010276013250
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Feb 2011185311120
Mar 2011183411740
Apr 201111078200
May 2011120810290
Jun 201110506360
Jul 20117099280
Aug 201121515380
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Oct 201135028780
Nov 20117228120
Dec 2011022720
Jan 2012151913540
Feb 2012160211060
Mar 2012119310300
Apr 2012169710810
May 20123057280
Jun 20121346820
Jul 20121195410
Aug 20121316650
Sep 20124306880
Oct 20129819160
Nov 201210389880
Dec 20124533880
Jan 20135784550
Feb 20134224310
Mar 20135274300
Apr 20136385610
May 20137637650
Jun 20137036060
Jul 20135596060
Aug 20135966860
Sep 20137487810
Oct 20137098790
Nov 20138409170
Dec 20137097260
Jan 20145886140
Feb 20147767430
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Apr 20146876760
May 20146025490
Jun 20145025280
Jul 20141911384
Aug 20146175411
Sep 20146796391
Oct 20144042892
Nov 20146395161
Dec 20147296070
Jan 20157697460
Feb 2015963916161
Mar 20158528588
Apr 20156736752
May 20155725436
Jun 20155333951
Jul 201547838530
Aug 201549348523
Sep 201552762467
Oct 20157136051
Nov 201512779210
Dec 20157555080
Jan 20168837240
Feb 2016107280033
Mar 2016974929151
Apr 201681672880
May 20161121903147
Jun 201662757387
Jul 201659657544
Aug 201669159621
Sep 201677697768
Oct 20165958481
Nov 20166928779
Dec 201641951628
Jan 201749176377
Feb 20175396090
Mar 20176527180
Apr 20174386570
May 20175006520
Jun 20174274540
Jul 20173334490
Aug 20174095570
Sep 20177708520
Oct 20178039870
Nov 201710999000
Dec 20176144270
Jan 20186808040
Feb 20187466220
Mar 20187865850
Apr 20187024930
May 20187124830
Jun 20186233450
Jul 20186163090
Aug 20186553930
Sep 20187394290
Oct 201815978000
Nov 20187945330
Dec 20188663130
Jan 20199085470
Feb 20197233110
Mar 20197654260
Apr 20196873360
May 20195203000
Jun 20194792730
Jul 20194112520
Aug 20194922570
Sep 20198074190
Oct 20197186110
Nov 20196864660
Dec 20196323280
Jan 20209514220
Feb 20207783400
Mar 20208383400
Apr 20208443110
May 202010633260
Jun 20208292630
Jul 20208202170
Aug 20208073740
Sep 202012354200
Oct 202013145510
Nov 202011503680
Dec 20209873240
Jan 20217613280
Total1269303165601068