Changes in adverse event rates in hospitals over time: a longitudinal retrospective patient record review study

Rebecca J Baines; Maaike Langelaan; Martine C de Bruijne; Henk Asscheman; Peter Spreeuwenberg; Lotte van de Steeg; Kitty M Siemerink; Floor van Rosse; Maren Broekens; Cordula Wagner

doi:10.1136/bmjqs-2012-001126

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Changes in adverse event rates in hospitals over time: a longitudinal retrospective patient record review study

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	Abstract	Full	Pdf
Jan 2013	1309	41	134
Feb 2013	298	23	32
Mar 2013	1268	344	232
Apr 2013	1490	698	271
May 2013	566	137	127
Jun 2013	337	51	48
Jul 2013	205	36	28
Aug 2013	117	28	26
Sep 2013	134	26	44
Oct 2013	143	40	36
Nov 2013	118	23	26
Dec 2013	121	23	25
Jan 2014	86	23	18
Feb 2014	106	40	32
Mar 2014	126	51	35
Apr 2014	102	36	28
May 2014	99	31	30
Jun 2014	69	22	18
Jul 2014	85	39	33
Aug 2014	85	58	38
Sep 2014	80	29	28
Oct 2014	88	20	21
Nov 2014	77	13	15
Dec 2014	68	11	10
Jan 2015	123	18	15
Feb 2015	103	21	27
Mar 2015	150	28	15
Apr 2015	175	9	10
May 2015	153	20	11
Jun 2015	177	28	26
Jul 2015	207	15	11
Aug 2015	189	17	16
Sep 2015	155	23	30
Oct 2015	67	12	10
Nov 2015	89	23	29
Dec 2015	111	26	15
Jan 2016	88	21	8
Feb 2016	98	18	20
Mar 2016	71	28	34
Apr 2016	93	27	19
May 2016	98	19	16
Jun 2016	91	40	29
Jul 2016	66	14	11
Aug 2016	108	51	10
Sep 2016	92	32	29
Oct 2016	95	25	23
Nov 2016	76	49	20
Dec 2016	65	15	9
Jan 2017	89	29	14
Feb 2017	39	23	28
Mar 2017	16	46	17
Apr 2017	12	99	14
May 2017	23	123	19
Jun 2017	25	66	6
Jul 2017	110	78	19
Aug 2017	83	59	13
Sep 2017	88	66	17
Oct 2017	109	66	19
Nov 2017	123	79	21
Dec 2017	86	50	14
Jan 2018	57	32	16
Feb 2018	138	83	24
Mar 2018	204	165	23
Apr 2018	187	133	24
May 2018	126	110	24
Jun 2018	95	69	33
Jul 2018	72	54	33
Aug 2018	104	88	27
Sep 2018	82	64	17
Oct 2018	123	95	19
Nov 2018	131	116	18
Dec 2018	129	115	15
Jan 2019	113	101	22
Feb 2019	95	92	22
Mar 2019	88	88	26
Apr 2019	73	68	24
May 2019	47	44	23
Jun 2019	40	40	31
Jul 2019	95	93	23
Aug 2019	66	65	28
Sep 2019	48	46	26
Oct 2019	50	47	38
Nov 2019	64	63	34
Dec 2019	71	71	38
Jan 2020	74	71	27
Feb 2020	199	188	32
Mar 2020	47	47	33
Apr 2020	54	53	49
May 2020	49	45	39
Jun 2020	44	39	43
Jul 2020	52	40	37
Aug 2020	43	34	47
Sep 2020	57	41	14
Oct 2020	51	39	15
Nov 2020	37	29	7
Dec 2020	42	39	5
Jan 2021	62	39	24
Feb 2021	46	32	28
Mar 2021	46	39	11
Apr 2021	77	52	27
May 2021	64	52	23
Jun 2021	28	27	9
Jul 2021	55	54	20
Aug 2021	33	32	23
Sep 2021	59	58	20
Oct 2021	88	79	31
Nov 2021	64	49	43
Dec 2021	65	57	21
Jan 2022	55	44	6
Feb 2022	51	37	51
Mar 2022	55	47	52
Apr 2022	52	37	25
May 2022	98	81	36
Jun 2022	85	59	33
Jul 2022	78	69	24
Aug 2022	77	59	35
Sep 2022	72	48	55
Oct 2022	60	38	14
Nov 2022	76	50	25
Dec 2022	51	38	14
Jan 2023	60	37	23
Feb 2023	71	63	5
Mar 2023	46	27	13
Apr 2023	54	28	19
May 2023	51	30	20
Jun 2023	33	21	7
Jul 2023	53	34	14
Aug 2023	55	36	37
Sep 2023	26	22	10
Oct 2023	98	65	11
Nov 2023	126	108	8
Dec 2023	307	277	5
Jan 2024	202	140	71
Feb 2024	124	63	17
Mar 2024	93	71	72
Total	16663	8012	3917

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