Use of the General Practice Research Database (GPRD) for respiratory epidemiology: a comparison with the 4th Morbidity Survey in General Practice (MSGP4)

Anna Hansell; Jen Hollowell; Tom Nichols; Rosie McNiece; David Strachan

doi:10.1136/thx.54.5.413

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Original article

Use of the General Practice Research Database (GPRD) for respiratory epidemiology: a comparison with the 4th Morbidity Survey in General Practice (MSGP4)

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Online download statistics by month:

Online download statistics by month: April 1999 to March 2024

	Abstract	Full	Pdf
Apr 1999	26	42	24
May 1999	14	27	42
Jun 1999	5	12	6
Jul 1999	2	7	0
Aug 1999	4	1	0
Sep 1999	4	6	11
Oct 1999	1	9	6
Nov 1999	3	3	5
Jan 2000	3	1	1
Feb 2000	5	7	6
Mar 2000	2	6	3
Apr 2000	3	8	3
May 2000	2	2	0
Jun 2000	3	8	4
Jul 2000	2	5	0
Aug 2000	3	4	3
Sep 2000	1	1	2
Oct 2000	1	7	12
Nov 2000	3	6	2
Dec 2000	2	12	9
Jan 2001	1	1	1
Feb 2001	2	16	2
Mar 2001	3	6	6
Apr 2001	4	10	3
May 2001	6	3	4
Jun 2001	1	7	5
Jul 2001	3	8	2
Aug 2001	6	3	4
Sep 2001	5	10	2
Oct 2001	3	9	4
Nov 2001	2	11	8
Dec 2001	1	4	2
Jan 2002	4	7	2
Feb 2002	8	10	7
Mar 2002	1	4	3
Apr 2002	4	5	4
May 2002	3	5	3
Jun 2002	5	10	9
Jul 2002	2	9	7
Aug 2002	3	6	5
Sep 2002	2	10	4
Oct 2002	3	12	7
Nov 2002	4	4	3
Dec 2002	2	4	1
Jan 2003	7	5	7
Feb 2003	3	6	1
Mar 2003	4	3	4
Apr 2003	2	8	9
May 2003	11	12	10
Jun 2003	2	9	8
Jul 2003	21	32	12
Aug 2003	12	19	3
Sep 2003	12	17	1
Oct 2003	30	30	14
Nov 2003	17	29	6
Dec 2003	24	31	3
Jan 2004	23	36	8
Feb 2004	13	17	2
Mar 2004	18	33	6
Apr 2004	19	36	5
May 2004	37	55	7
Jun 2004	43	62	11
Jul 2004	45	58	10
Aug 2004	48	70	8
Sep 2004	37	52	15
Oct 2004	19	40	10
Nov 2004	13	30	11
Dec 2004	9	31	10
Jan 2005	20	22	13
Feb 2005	14	33	13
Mar 2005	18	33	8
Apr 2005	6	30	12
May 2005	10	43	12
Jun 2005	7	38	4
Jul 2005	15	36	6
Aug 2005	12	28	13
Sep 2005	5	43	21
Oct 2005	13	26	9
Nov 2005	10	37	13
Dec 2005	9	27	5
Jan 2006	8	48	8
Feb 2006	8	38	10
Mar 2006	6	37	8
Apr 2006	15	29	4
May 2006	26	8	5
Jun 2006	23	27	11
Jul 2006	24	14	11
Aug 2006	11	21	7
Sep 2006	27	26	32
Oct 2006	28	58	21
Nov 2006	34	53	21
Dec 2006	13	52	21
Jan 2007	28	55	17
Feb 2007	44	41	15
Mar 2007	30	49	14
Apr 2007	26	51	15
May 2007	16	48	17
Jun 2007	19	38	15
Jul 2007	13	48	11
Aug 2007	13	36	10
Sep 2007	17	24	16
Oct 2007	15	29	11
Nov 2007	24	30	15
Dec 2007	13	25	18
Jan 2008	26	22	18
Feb 2008	32	21	14
Mar 2008	23	44	24
Apr 2008	23	34	26
May 2008	10	20	3
Jun 2008	19	20	4
Jul 2008	20	18	11
Aug 2008	19	31	10
Sep 2008	21	30	11
Oct 2008	15	20	10
Nov 2008	18	32	10
Dec 2008	27	33	7
Jan 2009	21	19	14
Feb 2009	25	30	12
Mar 2009	34	23	10
Apr 2009	41	14	12
May 2009	27	32	11
Jun 2009	23	27	17
Jul 2009	33	20	7
Aug 2009	35	22	10
Sep 2009	28	22	7
Oct 2009	37	30	10
Nov 2009	31	20	3
Dec 2009	18	11	5
Jan 2010	23	22	8
Feb 2010	32	37	26
Mar 2010	36	39	21
Apr 2010	18	39	10
May 2010	15	52	12
Jun 2010	7	38	9
Jul 2010	18	53	12
Aug 2010	4	44	3
Sep 2010	1	34	14
Oct 2010	10	53	23
Nov 2010	3	66	8
Dec 2010	14	51	17
Jan 2011	6	40	17
Feb 2011	5	60	20
Mar 2011	11	67	17
Apr 2011	15	39	12
May 2011	14	41	22
Jun 2011	13	27	7
Jul 2011	17	24	12
Aug 2011	14	44	14
Sep 2011	12	58	13
Oct 2011	19	50	7
Nov 2011	18	81	8
Dec 2011	21	69	9
Jan 2012	21	81	16
Feb 2012	20	26	27
Mar 2012	26	26	35
Apr 2012	23	29	43
May 2012	24	39	33
Jun 2012	18	38	24
Jul 2012	26	44	17
Aug 2012	27	34	25
Sep 2012	17	34	18
Oct 2012	30	59	14
Nov 2012	33	35	30
Dec 2012	24	34	20
Jan 2013	31	26	21
Feb 2013	24	20	26
Mar 2013	19	60	20
Apr 2013	23	36	22
May 2013	19	32	15
Jun 2013	23	28	9
Jul 2013	29	17	39
Aug 2013	14	11	17
Sep 2013	21	25	19
Oct 2013	31	24	13
Nov 2013	39	30	13
Dec 2013	68	28	10
Jan 2014	42	43	22
Feb 2014	41	44	13
Mar 2014	40	44	16
Apr 2014	33	53	15
May 2014	36	36	16
Jun 2014	24	34	20
Jul 2014	48	39	20
Aug 2014	31	21	12
Sep 2014	20	43	11
Oct 2014	39	27	13
Nov 2014	33	17	9
Dec 2014	19	14	11
Jan 2015	20	42	4
Feb 2015	15	18	9
Mar 2015	23	49	7
Apr 2015	10	41	4
May 2015	15	38	7
Jun 2015	23	35	6
Jul 2015	13	35	17
Aug 2015	23	19	12
Sep 2015	19	37	8
Oct 2015	8	22	11
Nov 2015	15	16	8
Dec 2015	30	25	4
Jan 2016	24	27	8
Feb 2016	19	14	6
Mar 2016	5	19	8
Apr 2016	6	15	8
May 2016	23	11	8
Jun 2016	21	6	6
Jul 2016	22	12	4
Aug 2016	36	24	8
Sep 2016	17	8	10
Oct 2016	22	16	11
Nov 2016	27	11	6
Dec 2016	16	15	4
Jan 2017	14	9	4
Feb 2017	5	5	4
Mar 2017	0	21	6
Apr 2017	2	30	8
May 2017	3	26	4
Jun 2017	10	31	9
Jul 2017	39	38	6
Aug 2017	50	39	14
Sep 2017	62	60	22
Oct 2017	41	30	12
Nov 2017	28	26	14
Dec 2017	36	32	16
Jan 2018	45	35	11
Feb 2018	45	41	14
Mar 2018	40	28	6
Apr 2018	55	49	15
May 2018	66	66	12
Jun 2018	57	55	6
Jul 2018	54	54	8
Aug 2018	48	48	14
Sep 2018	32	32	4
Oct 2018	72	72	12
Nov 2018	69	69	5
Dec 2018	51	51	5
Jan 2019	57	55	10
Feb 2019	61	61	8
Mar 2019	75	70	15
Apr 2019	55	53	19
May 2019	74	69	17
Jun 2019	65	59	25
Jul 2019	39	38	23
Aug 2019	41	36	10
Sep 2019	39	37	12
Oct 2019	85	79	20
Nov 2019	52	50	10
Dec 2019	58	54	8
Jan 2020	52	51	8
Feb 2020	56	54	3
Mar 2020	45	44	6
Apr 2020	44	43	13
May 2020	47	45	7
Jun 2020	40	40	4
Jul 2020	42	41	4
Aug 2020	47	45	4
Sep 2020	53	49	5
Oct 2020	80	75	6
Nov 2020	57	51	9
Dec 2020	64	60	11
Jan 2021	62	61	12
Feb 2021	45	42	15
Mar 2021	75	73	11
Apr 2021	37	36	9
May 2021	50	47	5
Jun 2021	25	23	5
Jul 2021	46	46	8
Aug 2021	46	40	13
Sep 2021	73	70	10
Oct 2021	237	210	26
Nov 2021	144	123	20
Dec 2021	114	94	14
Jan 2022	45	44	9
Feb 2022	34	35	11
Mar 2022	54	55	17
Apr 2022	61	62	11
May 2022	58	60	21
Jun 2022	50	48	10
Jul 2022	51	50	1
Aug 2022	44	43	4
Sep 2022	67	65	11
Oct 2022	97	96	11
Nov 2022	61	61	9
Dec 2022	29	26	3
Jan 2023	64	61	5
Feb 2023	76	63	7
Mar 2023	45	41	6
Apr 2023	46	42	4
May 2023	43	35	7
Jun 2023	26	23	1
Jul 2023	27	26	7
Aug 2023	95	91	11
Sep 2023	42	39	10
Oct 2023	39	39	7
Nov 2023	70	69	2
Dec 2023	101	96	4
Jan 2024	94	94	255
Feb 2024	54	54	229
Mar 2024	72	73	80
Total	8447	10421	3744

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