Bias in case-control studies. A review.

J A Kopec; J M Esdaile

doi:10.1136/jech.44.3.179

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Research Article

Bias in case-control studies. A review.

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	Abstract	Full	Pdf
Jan 2009	0	0	6
Feb 2009	0	0	5
Mar 2009	0	0	7
Apr 2009	0	0	7
May 2009	0	0	2
Jun 2009	0	0	3
Jul 2009	0	0	2
Sep 2009	0	0	8
Oct 2009	0	0	10
Nov 2009	0	0	12
Dec 2009	0	0	2
Jan 2010	0	0	5
Feb 2010	0	0	3
Mar 2010	0	0	5
Apr 2010	0	0	9
May 2010	0	0	15
Jun 2010	0	0	4
Jul 2010	0	0	5
Aug 2010	0	0	2
Sep 2010	0	0	5
Oct 2010	0	0	11
Nov 2010	0	0	3
Dec 2010	0	0	2
Jan 2011	0	0	5
Mar 2011	0	0	7
Apr 2011	0	0	4
May 2011	0	2	11
Jun 2011	0	0	16
Jul 2011	0	0	10
Aug 2011	0	0	11
Sep 2011	0	0	10
Oct 2011	0	0	16
Nov 2011	0	1	45
Dec 2011	0	0	64
Jan 2012	0	0	76
Feb 2012	0	0	64
Mar 2012	0	0	97
Apr 2012	0	0	306
May 2012	0	2	210
Jun 2012	0	0	164
Jul 2012	0	0	200
Aug 2012	0	0	190
Sep 2012	0	0	310
Oct 2012	0	0	54
Nov 2012	0	0	37
Dec 2012	0	0	42
Jan 2013	0	0	31
Feb 2013	0	0	25
Mar 2013	0	0	52
Apr 2013	0	0	50
May 2013	0	0	29
Jun 2013	0	0	16
Jul 2013	0	0	25
Aug 2013	0	1	30
Sep 2013	0	0	27
Oct 2013	0	1	41
Nov 2013	0	0	41
Dec 2013	0	0	33
Jan 2014	0	0	17
Feb 2014	0	3	12
Mar 2014	0	0	21
Apr 2014	0	0	36
May 2014	0	1	39
Jun 2014	0	0	15
Jul 2014	0	2	9
Aug 2014	0	1	2
Sep 2014	0	1	22
Oct 2014	0	1	19
Nov 2014	0	2	34
Dec 2014	0	0	23
Jan 2015	0	2	33
Feb 2015	0	0	92
Mar 2015	1	0	83
Apr 2015	0	0	59
May 2015	0	0	50
Jun 2015	0	0	12
Jul 2015	0	0	25
Aug 2015	0	0	4
Sep 2015	0	0	29
Oct 2015	0	0	1
Nov 2015	0	0	6
Dec 2015	0	0	6
Jan 2016	0	0	5
Feb 2016	0	0	9
Mar 2016	0	0	8
Apr 2016	0	0	10
May 2016	0	0	60
Jun 2016	0	0	12
Jul 2016	0	0	15
Aug 2016	0	1	23
Sep 2016	0	0	21
Oct 2016	2	0	17
Nov 2016	0	0	4
Dec 2016	0	0	11
Jan 2017	0	0	14
Feb 2017	0	0	12
Mar 2017	0	0	4
Apr 2017	0	0	101
May 2017	0	0	185
Jun 2017	0	0	147
Jul 2017	0	0	210
Aug 2017	0	0	134
Sep 2017	0	0	216
Oct 2017	0	0	291
Nov 2017	0	0	406
Dec 2017	0	0	311
Jan 2018	0	0	399
Feb 2018	0	0	466
Mar 2018	0	0	499
Apr 2018	0	0	694
May 2018	0	0	808
Jun 2018	0	0	385
Jul 2018	0	0	466
Aug 2018	0	0	584
Sep 2018	0	0	678
Oct 2018	0	0	827
Nov 2018	0	0	780
Dec 2018	0	0	677
Jan 2019	0	0	623
Feb 2019	0	0	729
Mar 2019	0	0	913
Apr 2019	0	0	725
May 2019	0	0	784
Jun 2019	0	0	611
Jul 2019	0	0	558
Aug 2019	0	0	541
Sep 2019	0	0	554
Oct 2019	0	0	463
Nov 2019	0	0	454
Dec 2019	0	0	314
Jan 2020	0	0	1197
Feb 2020	0	0	314
Mar 2020	0	0	425
Apr 2020	0	0	451
May 2020	0	0	321
Jun 2020	0	0	265
Jul 2020	0	0	178
Aug 2020	0	0	261
Sep 2020	0	0	196
Oct 2020	0	0	287
Nov 2020	0	0	427
Dec 2020	0	0	393
Jan 2021	0	0	335
Feb 2021	0	0	447
Mar 2021	0	0	514
Apr 2021	0	0	441
May 2021	0	0	303
Jun 2021	0	0	213
Jul 2021	0	0	169
Aug 2021	0	0	272
Sep 2021	0	0	261
Oct 2021	0	0	317
Nov 2021	0	0	278
Dec 2021	0	0	351
Jan 2022	0	0	280
Feb 2022	0	0	315
Mar 2022	0	0	486
Apr 2022	0	0	422
May 2022	0	0	388
Jun 2022	0	0	188
Jul 2022	0	0	182
Aug 2022	0	0	133
Sep 2022	0	0	220
Oct 2022	0	0	220
Nov 2022	0	0	240
Dec 2022	0	0	207
Jan 2023	0	0	203
Feb 2023	0	0	223
Mar 2023	0	0	158
Apr 2023	0	0	179
May 2023	0	0	175
Jun 2023	0	0	133
Jul 2023	0	0	77
Aug 2023	0	0	65
Sep 2023	0	0	184
Oct 2023	0	0	242
Nov 2023	0	0	228
Dec 2023	0	0	84
Jan 2024	0	0	5
Feb 2024	0	0	25
Mar 2024	0	0	27
Apr 2024	0	0	40
May 2024	0	0	24
Jun 2024	0	0	11
Jul 2024	0	0	3
Aug 2024	0	0	2
Sep 2024	0	0	7
Total	3	21	33881

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