Prognostic factors for patellofemoral pain: a multicentre observational analysis

Natalie J Collins; Sita M A Bierma-Zeinstra; Kay M Crossley; Robbart L van Linschoten; Bill Vicenzino; Marienke van Middelkoop

doi:10.1136/bjsports-2012-091696

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Prognostic factors for patellofemoral pain: a multicentre observational analysis

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	Abstract	Full	Pdf
Dec 2012	358	11	33
Jan 2013	353	17	40
Feb 2013	1801	511	417
Mar 2013	1126	416	274
Apr 2013	466	54	108
May 2013	248	49	73
Jun 2013	163	49	69
Jul 2013	129	27	38
Aug 2013	151	45	89
Sep 2013	138	34	53
Oct 2013	170	86	101
Nov 2013	163	70	60
Dec 2013	92	43	66
Jan 2014	117	28	46
Feb 2014	120	47	55
Mar 2014	105	46	51
Apr 2014	89	32	52
May 2014	87	27	34
Jun 2014	67	17	28
Jul 2014	69	16	34
Aug 2014	81	21	21
Sep 2014	48	26	31
Oct 2014	80	16	24
Nov 2014	89	24	31
Dec 2014	49	12	24
Jan 2015	50	15	14
Feb 2015	80	20	17
Mar 2015	72	25	29
Apr 2015	56	10	14
May 2015	54	19	15
Jun 2015	55	15	19
Jul 2015	49	16	12
Aug 2015	42	12	14
Sep 2015	35	19	16
Oct 2015	36	11	14
Nov 2015	42	21	13
Dec 2015	58	20	17
Jan 2016	58	23	17
Feb 2016	46	36	27
Mar 2016	48	22	32
Apr 2016	40	13	20
May 2016	50	19	18
Jun 2016	56	19	18
Jul 2016	39	11	10
Aug 2016	66	5	13
Sep 2016	51	28	19
Oct 2016	45	14	16
Nov 2016	52	16	18
Dec 2016	56	15	9
Jan 2017	68	13	17
Feb 2017	45	7	14
Mar 2017	37	30	6
Apr 2017	28	60	18
May 2017	30	57	20
Jun 2017	31	54	20
Jul 2017	118	94	14
Aug 2017	153	101	17
Sep 2017	100	60	11
Oct 2017	126	72	20
Nov 2017	156	100	17
Dec 2017	121	77	24
Jan 2018	91	53	21
Feb 2018	89	61	32
Mar 2018	128	76	18
Apr 2018	75	48	14
May 2018	105	59	25
Jun 2018	81	42	30
Jul 2018	67	45	24
Aug 2018	100	50	22
Sep 2018	109	79	18
Oct 2018	127	94	33
Nov 2018	129	103	26
Dec 2018	112	91	12
Jan 2019	108	90	15
Feb 2019	95	74	19
Mar 2019	91	65	25
Apr 2019	62	30	29
May 2019	63	43	34
Jun 2019	44	23	18
Jul 2019	48	24	16
Aug 2019	71	49	24
Sep 2019	95	54	28
Oct 2019	98	60	24
Nov 2019	85	54	18
Dec 2019	59	44	16
Jan 2020	68	46	14
Feb 2020	76	61	20
Mar 2020	87	61	22
Apr 2020	116	81	42
May 2020	108	76	32
Jun 2020	75	61	45
Jul 2020	64	50	20
Aug 2020	45	35	27
Sep 2020	117	77	35
Oct 2020	96	69	75
Nov 2020	123	65	49
Dec 2020	66	50	36
Jan 2021	70	38	33
Feb 2021	83	57	60
Mar 2021	70	52	36
Apr 2021	111	77	49
May 2021	62	48	32
Jun 2021	60	60	24
Jul 2021	27	27	21
Aug 2021	66	66	26
Sep 2021	90	89	42
Oct 2021	118	90	68
Nov 2021	152	106	73
Dec 2021	97	81	36
Jan 2022	86	55	31
Feb 2022	357	340	55
Mar 2022	108	97	37
Apr 2022	130	128	41
May 2022	94	84	52
Jun 2022	76	62	21
Jul 2022	79	58	26
Aug 2022	91	79	15
Sep 2022	125	72	41
Oct 2022	135	98	32
Nov 2022	263	226	35
Dec 2022	79	63	29
Jan 2023	102	76	28
Feb 2023	132	106	16
Mar 2023	116	79	25
Apr 2023	93	55	32
May 2023	148	107	38
Jun 2023	100	49	22
Jul 2023	88	54	19
Aug 2023	83	54	33
Sep 2023	104	77	47
Oct 2023	153	124	57
Nov 2023	165	116	45
Dec 2023	243	146	32
Jan 2024	44	36	21
Feb 2024	65	53	17
Mar 2024	182	123	77
Total	16228	8424	4843

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