Interpreting thresholds for a clinically significant change in health status in asthma and COPD

	Abstract	Full	Pdf
Aug 2004	5	7	5
Sep 2004	24	24	8
Oct 2004	22	32	22
Nov 2004	9	33	38
Dec 2004	8	37	26
Jan 2005	11	38	29
Feb 2005	17	41	28
Mar 2005	28	77	60
Apr 2005	18	45	62
May 2005	19	56	42
Jun 2005	19	68	44
Jul 2005	24	49	44
Aug 2005	18	42	38
Sep 2005	22	47	49
Oct 2005	17	49	36
Nov 2005	24	63	39
Dec 2005	17	46	61
Jan 2006	19	58	56
Feb 2006	12	45	36
Mar 2006	13	52	35
Apr 2006	15	46	22
May 2006	37	44	35
Jun 2006	25	27	24
Jul 2006	36	33	37
Aug 2006	18	35	35
Sep 2006	31	29	49
Oct 2006	36	34	54
Nov 2006	30	63	39
Dec 2006	24	22	25
Jan 2007	30	23	37
Feb 2007	27	22	37
Mar 2007	41	39	42
Apr 2007	27	45	33
May 2007	20	32	36
Jun 2007	13	25	30
Jul 2007	23	27	45
Aug 2007	18	29	32
Sep 2007	27	29	28
Oct 2007	35	37	45
Nov 2007	23	28	43
Dec 2007	26	31	36
Jan 2008	24	28	38
Feb 2008	25	20	31
Mar 2008	24	37	54
Apr 2008	23	23	38
May 2008	32	46	51
Jun 2008	21	28	42
Jul 2008	25	32	46
Aug 2008	24	37	40
Sep 2008	18	24	45
Oct 2008	33	22	40
Nov 2008	35	26	32
Dec 2008	24	28	30
Jan 2009	22	32	30
Feb 2009	27	16	27
Mar 2009	38	37	42
Apr 2009	36	43	44
May 2009	45	34	49
Jun 2009	23	35	41
Jul 2009	14	19	30
Aug 2009	22	19	27
Sep 2009	22	23	25
Oct 2009	15	24	32
Nov 2009	31	32	50
Dec 2009	27	30	47
Jan 2010	24	29	50
Feb 2010	22	27	43
Mar 2010	41	32	42
Apr 2010	23	31	28
May 2010	37	38	36
Jun 2010	43	38	45
Jul 2010	15	36	31
Aug 2010	40	55	27
Sep 2010	85	126	54
Oct 2010	40	58	35
Nov 2010	34	64	40
Dec 2010	29	49	32
Jan 2011	37	50	41
Feb 2011	43	71	54
Mar 2011	55	53	47
Apr 2011	80	64	62
May 2011	55	54	51
Jun 2011	49	59	55
Jul 2011	66	45	70
Aug 2011	47	58	51
Sep 2011	45	56	50
Oct 2011	61	65	60
Nov 2011	49	72	87
Dec 2011	48	54	31
Jan 2012	35	59	32
Feb 2012	36	61	41
Mar 2012	45	52	33
Apr 2012	43	69	35
May 2012	54	83	58
Jun 2012	54	61	46
Jul 2012	47	60	51
Aug 2012	53	47	38
Sep 2012	35	61	50
Oct 2012	56	80	51
Nov 2012	76	132	73
Dec 2012	40	78	30
Jan 2013	55	74	45
Feb 2013	53	51	43
Mar 2013	62	72	48
Apr 2013	76	80	54
May 2013	54	84	53
Jun 2013	38	49	34
Jul 2013	40	43	45
Aug 2013	29	41	19
Sep 2013	42	54	42
Oct 2013	33	50	26
Nov 2013	36	68	36
Dec 2013	26	60	29
Jan 2014	41	53	27
Feb 2014	47	84	66
Mar 2014	34	60	88
Apr 2014	48	51	67
May 2014	29	52	74
Jun 2014	36	60	70
Jul 2014	48	71	37
Aug 2014	41	67	33
Sep 2014	31	50	36
Oct 2014	24	53	20
Nov 2014	57	73	54
Dec 2014	43	28	21
Jan 2015	40	39	22
Feb 2015	37	40	24
Mar 2015	44	79	48
Apr 2015	68	78	38
May 2015	36	65	33
Jun 2015	54	76	33
Jul 2015	41	51	27
Aug 2015	29	77	31
Sep 2015	25	81	31
Oct 2015	23	67	28
Nov 2015	32	123	74
Dec 2015	15	87	25
Jan 2016	32	114	55
Feb 2016	24	87	53
Mar 2016	33	129	58
Apr 2016	264	84	100
May 2016	17	119	53
Jun 2016	14	92	34
Jul 2016	20	72	24
Aug 2016	25	70	29
Sep 2016	29	93	20
Oct 2016	26	95	42
Nov 2016	18	78	20
Dec 2016	18	95	19
Jan 2017	18	142	41
Feb 2017	25	95	36
Mar 2017	29	94	42
Apr 2017	17	68	24
May 2017	17	89	34
Jun 2017	18	86	27
Jul 2017	13	76	19
Aug 2017	9	59	19
Sep 2017	21	109	35
Oct 2017	17	81	27
Nov 2017	17	104	24
Dec 2017	14	64	15
Jan 2018	9	80	19
Feb 2018	1	95	22
Mar 2018	0	67	19
Apr 2018	0	125	33
May 2018	0	145	30
Jun 2018	0	105	19
Jul 2018	6	92	16
Aug 2018	15	68	25
Sep 2018	15	61	21
Oct 2018	8	81	35
Nov 2018	17	77	24
Dec 2018	9	75	33
Jan 2019	9	61	25
Feb 2019	11	73	37
Mar 2019	14	100	32
Apr 2019	15	74	28
May 2019	9	84	36
Jun 2019	7	81	26
Jul 2019	14	67	32
Aug 2019	6	84	23
Sep 2019	8	236	32
Oct 2019	5	131	19
Nov 2019	16	128	23
Dec 2019	24	110	34
Jan 2020	6	95	30
Feb 2020	8	490	23
Mar 2020	9	95	18
Apr 2020	9	188	34
May 2020	2	164	20