Four-year follow-up of surgical versus non-surgical therapy for chronic low back pain

Jens Ivar Brox; Øystein P Nygaard; Inger Holm; Anne Keller; Tor Ingebrigtsen; Olav Reikerås

doi:10.1136/ard.2009.108902

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Clinical and epidemiological research

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Four-year follow-up of surgical versus non-surgical therapy for chronic low back pain

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	Abstract	Full	Pdf
Jul 2009	211	0	92
Aug 2009	174	0	157
Sep 2009	31	0	107
Oct 2009	26	0	79
Nov 2009	17	0	41
Dec 2009	8	0	21
Jan 2010	39	0	23
Feb 2010	48	0	43
Mar 2010	36	0	39
Apr 2010	31	0	8
May 2010	30	0	16
Jun 2010	34	0	11
Jul 2010	168	3	43
Aug 2010	1668	98	174
Sep 2010	228	182	214
Oct 2010	62	59	88
Nov 2010	58	164	147
Dec 2010	47	72	83
Jan 2011	35	43	42
Feb 2011	34	59	50
Mar 2011	47	103	97
Apr 2011	23	46	36
May 2011	32	37	24
Jun 2011	27	43	57
Jul 2011	59	37	43
Aug 2011	45	42	41
Sep 2011	34	48	21
Oct 2011	35	49	29
Nov 2011	26	56	34
Dec 2011	34	51	52
Jan 2012	47	42	32
Feb 2012	42	39	23
Mar 2012	42	52	43
Apr 2012	54	36	40
May 2012	49	53	41
Jun 2012	40	43	27
Jul 2012	52	44	47
Aug 2012	46	32	31
Sep 2012	60	59	43
Oct 2012	57	69	42
Nov 2012	51	69	33
Dec 2012	41	61	29
Jan 2013	51	41	42
Feb 2013	59	35	46
Mar 2013	71	54	41
Apr 2013	64	32	57
May 2013	48	41	77
Jun 2013	24	31	78
Jul 2013	34	37	64
Aug 2013	44	34	67
Sep 2013	53	28	59
Oct 2013	44	32	71
Nov 2013	38	26	109
Dec 2013	23	31	103
Jan 2014	34	50	140
Feb 2014	12	30	143
Mar 2014	65	62	195
Apr 2014	63	40	178
May 2014	38	35	149
Jun 2014	45	42	123
Jul 2014	54	45	115
Aug 2014	40	27	129
Sep 2014	64	24	151
Oct 2014	30	49	154
Nov 2014	38	36	141
Dec 2014	53	24	102
Jan 2015	33	27	104
Feb 2015	28	37	111
Mar 2015	39	74	135
Apr 2015	38	42	97
May 2015	54	36	126
Jun 2015	39	27	128
Jul 2015	21	18	77
Aug 2015	34	27	119
Sep 2015	44	24	124
Oct 2015	21	14	67
Nov 2015	40	24	126
Dec 2015	47	35	157
Jan 2016	40	20	149
Feb 2016	34	18	175
Mar 2016	42	27	152
Apr 2016	56	35	179
May 2016	38	25	179
Jun 2016	46	24	131
Jul 2016	41	18	127
Aug 2016	148	28	158
Sep 2016	42	70	146
Oct 2016	49	51	246
Nov 2016	62	52	227
Dec 2016	20	56	150
Jan 2017	46	61	189
Feb 2017	18	57	195
Mar 2017	14	93	182
Apr 2017	23	95	179
May 2017	37	37	173
Jun 2017	34	25	572
Jul 2017	55	27	398
Aug 2017	87	31	410
Sep 2017	74	24	397
Oct 2017	92	50	537
Nov 2017	71	41	715
Dec 2017	66	26	711
Jan 2018	83	38	567
Feb 2018	80	41	424
Mar 2018	74	36	284
Apr 2018	43	19	306
May 2018	56	24	431
Jun 2018	45	25	310
Jul 2018	57	33	425
Aug 2018	39	31	518
Sep 2018	54	41	387
Oct 2018	132	102	424
Nov 2018	132	116	388
Dec 2018	76	62	382
Jan 2019	79	61	372
Feb 2019	62	52	436
Mar 2019	83	56	703
Apr 2019	72	22	868
May 2019	59	34	768
Jun 2019	48	28	504
Jul 2019	54	48	243
Aug 2019	55	43	283
Sep 2019	38	28	268
Oct 2019	91	56	314
Nov 2019	77	49	168
Dec 2019	64	57	165
Jan 2020	124	84	201
Feb 2020	85	56	156
Mar 2020	50	34	93
Apr 2020	56	36	99
May 2020	43	33	66
Jun 2020	46	29	92
Jul 2020	55	37	109
Aug 2020	66	59	90
Sep 2020	77	58	110
Oct 2020	119	96	99
Nov 2020	63	49	92
Dec 2020	46	35	67
Jan 2021	52	40	76
Feb 2021	67	51	74
Mar 2021	73	59	53
Apr 2021	77	54	69
May 2021	63	59	64
Jun 2021	55	49	67
Jul 2021	52	51	92
Aug 2021	65	63	64
Sep 2021	47	47	66
Oct 2021	121	92	93
Nov 2021	130	102	60
Dec 2021	62	48	53
Jan 2022	98	94	46
Feb 2022	242	224	80
Mar 2022	158	147	98
Apr 2022	135	117	69
May 2022	159	145	87
Jun 2022	104	91	57
Jul 2022	112	95	73
Aug 2022	118	85	47
Sep 2022	266	253	92
Oct 2022	128	99	47
Nov 2022	130	113	47
Dec 2022	82	58	24
Jan 2023	121	99	44
Feb 2023	149	123	36
Mar 2023	103	87	46
Apr 2023	72	46	50
Total	12214	8352	25911

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