Number needed to treat in COPD: exacerbations versus pneumonias

Samy Suissa

doi:10.1136/thoraxjnl-2012-202709

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Epidemiology

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Number needed to treat in COPD: exacerbations versus pneumonias

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	Abstract	Full	Pdf
Nov 2012	871	144	230
Dec 2012	368	53	83
Jan 2013	149	35	48
Feb 2013	136	25	34
Mar 2013	134	27	53
Apr 2013	93	29	34
May 2013	1399	556	437
Jun 2013	1035	291	301
Jul 2013	397	61	93
Aug 2013	238	48	66
Sep 2013	184	32	49
Oct 2013	215	45	58
Nov 2013	189	27	47
Dec 2013	128	28	35
Jan 2014	181	37	49
Feb 2014	109	36	48
Mar 2014	157	17	48
Apr 2014	93	22	29
May 2014	108	17	34
Jun 2014	49	24	28
Jul 2014	67	19	24
Aug 2014	66	7	13
Sep 2014	93	20	25
Oct 2014	86	25	32
Nov 2014	56	17	20
Dec 2014	64	12	23
Jan 2015	27	10	14
Feb 2015	56	14	25
Mar 2015	86	7	16
Apr 2015	64	9	15
May 2015	50	23	29
Jun 2015	48	14	24
Jul 2015	48	5	13
Aug 2015	60	25	20
Sep 2015	51	14	20
Oct 2015	40	6	14
Nov 2015	43	12	18
Dec 2015	32	20	20
Jan 2016	48	8	17
Feb 2016	39	11	12
Mar 2016	34	13	27
Apr 2016	39	10	12
May 2016	21	7	21
Jun 2016	34	32	31
Jul 2016	39	30	34
Aug 2016	34	19	27
Sep 2016	82	42	48
Oct 2016	57	44	38
Nov 2016	64	48	42
Dec 2016	27	26	19
Jan 2017	43	15	16
Feb 2017	15	23	21
Mar 2017	7	54	30
Apr 2017	3	54	17
May 2017	2	45	27
Jun 2017	13	41	17
Jul 2017	50	47	31
Aug 2017	39	37	15
Sep 2017	57	49	22
Oct 2017	74	58	66
Nov 2017	68	59	42
Dec 2017	43	37	20
Jan 2018	33	33	30
Feb 2018	69	56	34
Mar 2018	58	46	27
Apr 2018	107	99	43
May 2018	73	66	53
Jun 2018	57	51	30
Jul 2018	66	56	44
Aug 2018	40	38	24
Sep 2018	45	43	29
Oct 2018	46	40	23
Nov 2018	45	43	27
Dec 2018	12	12	23
Jan 2019	38	25	24
Feb 2019	25	21	25
Mar 2019	53	39	22
Apr 2019	41	37	35
May 2019	39	30	28
Jun 2019	24	22	33
Jul 2019	38	34	58
Aug 2019	37	33	21
Sep 2019	28	30	16
Oct 2019	32	30	19
Nov 2019	31	25	23
Dec 2019	41	27	9
Jan 2020	22	22	16
Feb 2020	26	22	15
Mar 2020	40	30	18
Apr 2020	40	34	17
May 2020	35	19	24
Jun 2020	42	34	12
Jul 2020	56	51	10
Aug 2020	23	18	13
Sep 2020	71	60	25
Oct 2020	57	43	18
Nov 2020	43	29	19
Dec 2020	46	40	16
Jan 2021	22	16	28
Feb 2021	36	33	31
Mar 2021	40	28	20
Apr 2021	51	39	22
May 2021	50	47	21
Jun 2021	24	24	15
Jul 2021	38	38	14
Aug 2021	24	23	11
Sep 2021	45	45	25
Oct 2021	53	43	26
Nov 2021	37	33	28
Dec 2021	88	82	14
Jan 2022	27	24	19
Feb 2022	34	28	11
Mar 2022	44	32	12
Apr 2022	73	45	22
May 2022	69	59	36
Jun 2022	52	40	19
Jul 2022	50	43	17
Aug 2022	95	89	22
Sep 2022	72	65	31
Oct 2022	94	79	27
Nov 2022	57	48	22
Dec 2022	43	42	9
Jan 2023	44	32	10
Feb 2023	74	68	16
Mar 2023	53	40	8
Apr 2023	53	41	16
May 2023	41	38	21
Jun 2023	47	39	7
Jul 2023	47	36	21
Aug 2023	64	63	41
Sep 2023	50	40	26
Oct 2023	58	45	8
Nov 2023	52	49	17
Dec 2023	89	87	14
Jan 2024	58	58	19
Feb 2024	75	75	21
Mar 2024	98	88	30
Total	11902	5804	4501

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