Incidence of adverse events and negligence in hospitalized patients: results of the Harvard Medical Practice Study I

T A Brennan; L L Leape; N M Laird; L Hebert; A R Localio; A G Lawthers; J P Newhouse; P C Weiler; H H Hiatt

doi:10.1136/qshc.2002.003822

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Incidence of adverse events and negligence in hospitalized patients: results of the Harvard Medical Practice Study I

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Online download statistics by month: March 2004 to September 2024

	Abstract	Full	Pdf
Mar 2004	0	1	0
Apr 2004	317	186	161
May 2004	109	170	70
Jun 2004	143	173	43
Jul 2004	80	154	68
Aug 2004	63	123	49
Sep 2004	49	92	14
Oct 2004	46	137	31
Nov 2004	76	150	31
Dec 2004	38	131	27
Jan 2005	33	109	38
Feb 2005	47	134	35
Mar 2005	63	174	45
Apr 2005	57	186	133
May 2005	38	135	111
Jun 2005	39	121	80
Jul 2005	42	211	74
Aug 2005	28	312	92
Sep 2005	28	380	88
Oct 2005	46	443	125
Nov 2005	68	265	113
Dec 2005	22	119	59
Jan 2006	25	113	60
Feb 2006	29	161	60
Mar 2006	36	97	67
Apr 2006	31	98	58
May 2006	17	98	52
Jun 2006	28	78	45
Jul 2006	23	96	55
Aug 2006	28	81	60
Sep 2006	22	77	69
Oct 2006	41	110	72
Nov 2006	34	130	96
Dec 2006	18	80	54
Jan 2007	23	91	69
Feb 2007	32	106	80
Mar 2007	106	125	109
Apr 2007	469	74	73
May 2007	310	78	71
Jun 2007	231	55	54
Jul 2007	307	70	77
Aug 2007	282	56	66
Sep 2007	346	67	80
Oct 2007	373	93	105
Nov 2007	228	78	106
Dec 2007	48	44	49
Jan 2008	57	51	50
Feb 2008	71	53	50
Mar 2008	71	61	68
Apr 2008	73	74	66
May 2008	30	31	25
Jun 2008	53	35	32
Jul 2008	66	32	45
Aug 2008	177	35	48
Sep 2008	407	55	69
Oct 2008	392	56	75
Nov 2008	440	57	65
Dec 2008	360	37	47
Jan 2009	492	48	72
Feb 2009	544	50	65
Mar 2009	562	58	90
Apr 2009	404	69	113
May 2009	363	44	88
Jun 2009	336	48	91
Jul 2009	350	33	73
Aug 2009	304	48	64
Sep 2009	361	47	71
Oct 2009	371	53	87
Nov 2009	118	22	39
Dec 2009	47	26	20
Jan 2010	195	94	43
Feb 2010	232	126	56
Mar 2010	327	204	66
Apr 2010	307	159	71
May 2010	239	158	69
Jun 2010	225	100	50
Jul 2010	239	99	41
Aug 2010	239	73	39
Sep 2010	247	103	37
Oct 2010	297	114	50
Nov 2010	252	151	40
Dec 2010	186	79	33
Jan 2011	182	44	28
Feb 2011	155	74	27
Mar 2011	98	63	36
Apr 2011	68	10	17
May 2011	84	30	26
Jun 2011	59	17	20
Jul 2011	48	17	14
Aug 2011	47	13	15
Sep 2011	40	21	21
Oct 2011	51	11	11
Nov 2011	62	18	27
Dec 2011	54	33	33
Jan 2012	49	28	24
Feb 2012	48	20	14
Mar 2012	55	44	26
Apr 2012	60	22	22
May 2012	61	75	39
Jun 2012	67	58	39
Jul 2012	63	49	44
Aug 2012	87	20	35
Sep 2012	82	26	32
Oct 2012	115	29	29
Nov 2012	111	50	31
Dec 2012	91	32	36
Jan 2013	96	47	38
Feb 2013	98	47	40
Mar 2013	125	41	41
Apr 2013	92	60	32
May 2013	101	59	25
Jun 2013	31	24	14
Jul 2013	55	32	19
Aug 2013	45	33	17
Sep 2013	121	26	26
Oct 2013	99	38	24
Nov 2013	82	48	31
Dec 2013	47	24	15
Jan 2014	56	41	25
Feb 2014	56	27	12
Mar 2014	79	44	28
Apr 2014	95	54	24
May 2014	77	60	29
Jun 2014	74	72	25
Jul 2014	75	43	19
Aug 2014	80	53	22
Sep 2014	102	36	32
Oct 2014	103	27	25
Nov 2014	98	35	19
Dec 2014	99	29	14
Jan 2015	104	51	24
Feb 2015	108	27	19
Mar 2015	119	39	34
Apr 2015	95	27	32
May 2015	93	23	16
Jun 2015	114	20	16
Jul 2015	109	36	26
Aug 2015	109	61	20
Sep 2015	190	226	36
Oct 2015	97	130	19
Nov 2015	101	47	15
Dec 2015	77	28	11
Jan 2016	117	34	22
Feb 2016	88	18	12
Mar 2016	97	22	31
Apr 2016	110	30	32
May 2016	108	43	40
Jun 2016	73	29	13
Jul 2016	54	34	14
Aug 2016	86	23	18
Sep 2016	87	35	24
Oct 2016	104	31	35
Nov 2016	90	21	11
Dec 2016	109	27	17
Jan 2017	78	27	25
Feb 2017	61	25	28
Mar 2017	70	53	30
Apr 2017	51	63	27
May 2017	47	55	26
Jun 2017	41	33	16
Jul 2017	78	57	28
Aug 2017	149	79	41
Sep 2017	162	76	44
Oct 2017	196	58	45
Nov 2017	152	74	50
Dec 2017	123	39	31
Jan 2018	170	52	28
Feb 2018	130	72	31
Mar 2018	187	96	54
Apr 2018	166	94	62
May 2018	193	113	43
Jun 2018	165	93	38
Jul 2018	124	82	32
Aug 2018	114	60	26
Sep 2018	203	119	27
Oct 2018	207	125	49
Nov 2018	254	184	50
Dec 2018	217	157	50
Jan 2019	177	132	49
Feb 2019	152	120	36
Mar 2019	129	112	48
Apr 2019	98	88	56
May 2019	102	90	48
Jun 2019	62	60	41
Jul 2019	126	79	46
Aug 2019	124	85	26
Sep 2019	86	62	29
Oct 2019	91	55	32
Nov 2019	80	56	24
Dec 2019	111	79	35
Jan 2020	110	78	18
Feb 2020	178	132	22
Mar 2020	115	78	32
Apr 2020	71	45	22
May 2020	93	63	30
Jun 2020	71	57	35
Jul 2020	95	65	41
Aug 2020	92	62	19
Sep 2020	101	59	16
Oct 2020	168	115	20
Nov 2020	187	123	26
Dec 2020	88	58	23
Jan 2021	98	66	15
Feb 2021	140	95	37
Mar 2021	117	80	21
Apr 2021	90	63	27
May 2021	87	78	42
Jun 2021	79	79	30
Jul 2021	65	64	33
Aug 2021	54	52	26
Sep 2021	80	79	33
Oct 2021	113	82	71
Nov 2021	119	74	62
Dec 2021	93	66	30
Jan 2022	91	50	41
Feb 2022	80	48	26
Mar 2022	134	93	59
Apr 2022	230	182	35
May 2022	108	82	38
Jun 2022	140	73	35
Jul 2022	69	34	15
Aug 2022	133	107	50
Sep 2022	123	82	61
Oct 2022	107	70	41
Nov 2022	98	49	33
Dec 2022	84	55	20
Jan 2023	104	74	24
Feb 2023	143	98	29
Mar 2023	129	88	44
Apr 2023	158	97	45
May 2023	117	53	38
Jun 2023	98	52	22
Jul 2023	127	83	34
Aug 2023	87	65	22
Sep 2023	175	118	34
Oct 2023	201	119	35
Nov 2023	187	128	43
Dec 2023	559	92	10
Jan 2024	327	43	9
Feb 2024	313	21	8
Mar 2024	284	18	9
Apr 2024	334	22	7
May 2024	335	19	8
Jun 2024	163	15	7
Jul 2024	318	23	3
Aug 2024	314	9	7
Sep 2024	395	9	7
Total	33660	18399	10042

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