What can qualitative research do for randomised controlled trials? A systematic mapping review

A O'Cathain; K J Thomas; S J Drabble; A Rudolph; J Hewison

doi:10.1136/bmjopen-2013-002889

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What can qualitative research do for randomised controlled trials? A systematic mapping review

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	Abstract	Full	Pdf
May 2013	2	1	0
Jun 2013	435	329	255
Jul 2013	173	64	72
Aug 2013	112	47	39
Sep 2013	81	55	22
Oct 2013	101	53	50
Nov 2013	95	67	80
Dec 2013	46	55	28
Jan 2014	50	56	33
Feb 2014	87	62	43
Mar 2014	84	79	27
Apr 2014	59	99	19
May 2014	64	98	34
Jun 2014	54	81	42
Jul 2014	55	77	45
Aug 2014	46	84	25
Sep 2014	33	105	29
Oct 2014	79	109	30
Nov 2014	63	101	31
Dec 2014	50	86	24
Jan 2015	57	131	27
Feb 2015	66	91	66
Mar 2015	98	141	65
Apr 2015	77	157	38
May 2015	57	165	57
Jun 2015	46	131	36
Jul 2015	52	93	32
Aug 2015	55	115	39
Sep 2015	77	111	44
Oct 2015	42	72	13
Nov 2015	81	107	33
Dec 2015	53	76	20
Jan 2016	90	100	56
Feb 2016	88	119	47
Mar 2016	83	124	47
Apr 2016	96	131	32
May 2016	91	114	48
Jun 2016	70	91	40
Jul 2016	49	89	56
Aug 2016	48	80	29
Sep 2016	48	116	38
Oct 2016	52	176	46
Nov 2016	72	158	48
Dec 2016	70	90	50
Jan 2017	26	55	50
Feb 2017	6	22	60
Mar 2017	5	116	50
Apr 2017	1	219	52
May 2017	1	172	74
Jun 2017	59	157	47
Jul 2017	162	144	47
Aug 2017	186	161	40
Sep 2017	193	165	50
Oct 2017	280	222	121
Nov 2017	278	228	75
Dec 2017	186	140	47
Jan 2018	244	193	61
Feb 2018	216	166	61
Mar 2018	261	240	106
Apr 2018	312	254	76
May 2018	283	243	78
Jun 2018	201	194	44
Jul 2018	215	187	40
Aug 2018	279	237	64
Sep 2018	248	192	56
Oct 2018	271	227	66
Nov 2018	347	313	104
Dec 2018	252	214	67
Jan 2019	270	218	82
Feb 2019	293	222	86
Mar 2019	344	280	100
Apr 2019	367	289	114
May 2019	334	282	116
Jun 2019	315	278	71
Jul 2019	231	203	74
Aug 2019	230	181	49
Sep 2019	211	176	81
Oct 2019	312	243	71
Nov 2019	341	264	90
Dec 2019	292	252	85
Jan 2020	282	218	90
Feb 2020	273	236	95
Mar 2020	326	248	98
Apr 2020	460	402	108
May 2020	445	377	104
Jun 2020	354	313	129
Jul 2020	401	356	68
Aug 2020	503	452	93
Sep 2020	590	521	71
Oct 2020	527	456	81
Nov 2020	545	434	129
Dec 2020	579	486	124
Jan 2021	606	548	123
Feb 2021	435	373	100
Mar 2021	570	456	137
Apr 2021	736	623	139
May 2021	604	593	112
Jun 2021	268	272	81
Jul 2021	260	272	85
Aug 2021	253	263	80
Sep 2021	340	347	90
Oct 2021	421	347	117
Nov 2021	312	219	103
Dec 2021	378	308	88
Jan 2022	474	404	121
Feb 2022	402	310	103
Mar 2022	652	524	142
Apr 2022	553	458	137
May 2022	302	230	64
Total	24290	22881	7502

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