Optimal search filters for detecting quality improvement studies in Medline

N L Wilczynski; R B Haynes; for the QI Hedges Team

doi:10.1136/qshc.2010.042432

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Optimal search filters for detecting quality improvement studies in Medline

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	Abstract	Full	Pdf
Jul 2010	19	1	3
Aug 2010	85	4	30
Sep 2010	50	4	6
Oct 2010	90	2	9
Nov 2010	95	4	12
Dec 2010	7	2	5
Jan 2011	3	5	8
Feb 2011	2	3	2
Mar 2011	1	4	8
Apr 2011	2	3	1
May 2011	2	0	0
Jun 2011	5	1	1
Jul 2011	2	0	1
Aug 2011	0	0	3
Sep 2011	0	0	4
Oct 2011	0	0	1
Nov 2011	2	1	1
Dec 2011	6	1	0
Jan 2012	1	0	0
Feb 2012	6	1	1
Mar 2012	1	0	0
Apr 2012	3	1	1
May 2012	2	2	0
Jun 2012	4	1	1
Jul 2012	0	1	5
Aug 2012	7	10	4
Sep 2012	9	8	8
Oct 2012	20	15	12
Nov 2012	13	13	7
Dec 2012	18	19	7
Jan 2013	8	19	17
Feb 2013	9	14	11
Mar 2013	11	7	10
Apr 2013	16	10	10
May 2013	15	8	12
Jun 2013	7	3	6
Jul 2013	22	1	3
Aug 2013	24	12	7
Sep 2013	7	10	3
Oct 2013	11	8	2
Nov 2013	18	6	5
Dec 2013	17	8	1
Jan 2014	16	10	12
Feb 2014	13	6	6
Mar 2014	26	12	2
Apr 2014	28	13	3
May 2014	22	8	5
Jun 2014	14	8	14
Jul 2014	21	5	14
Aug 2014	12	10	7
Sep 2014	14	12	12
Oct 2014	15	5	3
Nov 2014	1	6	3
Dec 2014	9	6	6
Jan 2015	9	6	5
Feb 2015	6	4	8
Mar 2015	23	4	6
Apr 2015	7	7	6
May 2015	9	2	7
Jun 2015	3	4	2
Jul 2015	8	11	4
Aug 2015	7	2	1
Sep 2015	8	4	5
Oct 2015	3	5	5
Nov 2015	3	8	6
Dec 2015	8	6	2
Jan 2016	7	14	10
Feb 2016	13	5	4
Mar 2016	12	7	7
Apr 2016	19	9	9
May 2016	9	4	4
Jun 2016	8	5	2
Jul 2016	5	8	4
Aug 2016	18	14	7
Sep 2016	17	17	7
Oct 2016	21	14	10
Nov 2016	16	13	6
Dec 2016	16	10	8
Jan 2017	12	11	4
Feb 2017	4	4	7
Mar 2017	0	3	3
Apr 2017	0	20	5
May 2017	0	35	10
Jun 2017	10	29	7
Jul 2017	28	28	4
Aug 2017	25	25	4
Sep 2017	10	10	6
Oct 2017	27	23	3
Nov 2017	18	12	4
Dec 2017	20	14	2
Jan 2018	19	17	4
Feb 2018	26	20	2
Mar 2018	26	27	8
Apr 2018	24	25	4
May 2018	53	53	8
Jun 2018	36	39	10
Jul 2018	22	22	7
Aug 2018	15	15	8
Sep 2018	16	16	18
Oct 2018	25	25	6
Nov 2018	11	11	5
Dec 2018	19	19	3
Jan 2019	12	12	5
Feb 2019	14	15	6
Mar 2019	22	22	6
Apr 2019	15	13	16
May 2019	25	23	9
Jun 2019	9	7	10
Jul 2019	7	7	3
Aug 2019	14	14	21
Sep 2019	11	10	4
Oct 2019	19	19	6
Nov 2019	15	15	10
Dec 2019	12	12	7
Jan 2020	10	10	7
Feb 2020	16	16	11
Mar 2020	16	16	8
Apr 2020	9	8	2
May 2020	13	12	4
Jun 2020	14	11	1
Jul 2020	17	13	8
Aug 2020	13	12	12
Sep 2020	20	20	3
Oct 2020	31	31	10
Nov 2020	13	13	13
Dec 2020	24	21	4
Jan 2021	19	19	6
Feb 2021	18	15	14
Mar 2021	16	15	3
Apr 2021	26	21	5
May 2021	21	18	6
Jun 2021	34	34	7
Jul 2021	20	19	12
Aug 2021	21	20	13
Sep 2021	17	17	14
Oct 2021	25	23	17
Nov 2021	25	22	21
Dec 2021	22	24	2
Jan 2022	17	15	7
Feb 2022	29	28	12
Mar 2022	31	29	9
Apr 2022	30	32	13
May 2022	32	33	11
Jun 2022	68	56	14
Jul 2022	26	24	1
Aug 2022	36	38	9
Sep 2022	26	26	12
Oct 2022	52	33	11
Nov 2022	29	20	9
Dec 2022	27	27	8
Jan 2023	36	35	11
Feb 2023	65	59	1
Mar 2023	58	56	12
Apr 2023	47	45	12
May 2023	44	45	12
Jun 2023	44	44	9
Jul 2023	46	42	8
Aug 2023	42	41	17
Sep 2023	45	44	5
Oct 2023	29	29	3
Nov 2023	60	44	8
Dec 2023	65	63	6
Jan 2024	58	58	7
Feb 2024	57	51	8
Mar 2024	58	56	16
Total	3304	2671	1149

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