Table 2. The selected 50 high-impact studies of survey research among neurospine surgeons.

*Respondents only

Abbreviations: NA: not available, Ref: Reference, Particip.: Participants, Neurosurg: Neurosurgery, Neurol: Neurology, Pediatr: Pediatric, Sterotact Funct: Stereotactic and Functional, SSEP: somatosensory evoked potential,  SCI: spinal cord injury, s.: spondylotic, ICP: intracranial pressure, MR: magnetic resonance, MCA: middle cerebral artery.

Rank	1st Authors Year [Ref]	Journals	Particip. number	Response Rate (%)	Categories	Topics	Cites
1	Ciric I 1997 [11]	Neurosurgery	3172	82%	Complications	Transsphenoidal surgery	1345
2	Wright N 1998 [12]	Journal of Neurosurgery	847	25%	Complications	Vertebral artery injury during C1-2 fixation	628
3	Dawson E 1991 [13]	Spine	330	74%	Techniques	SSEP during spine surgery	306
4	Neo M 2008 [14]	Spine	36 groups	89%	Complications	Vertebral artery injury in cervical spine surgery	275
5	Schijman E 2004 [15]	Child's Nervous System	246	31%	Management	Chiari and syringomyelia	262
6	Härtl R 2013 [16]	World Neurosurgery	3348	20%	Techniques	Navigation in spine surgery	228
7	Sanford R 1994 [17]	Pediatric Neurosurgery	40	28%	Management	Craniopharyngioma	221
8	Haroun R 2000 [18]	Pediatric Neurosurgery	234	33%	Management	Chiari and syringomyelia	204
9	Santarius T 2008 [19]	British Journal of  Neurosurgery	215	52%	Management	Chronic subdural hematoma practice survey	187
10	Laitinen L 1985 [20]	Journal of Neurosurgery	16	100%	Management	Parkinson Disease surgical targets	163
11	Krauss J 2004 [21]	Acta Neurochirurgica	82	65%	Management	Normal Pressure Hydrocephalus	160
12	Belzberg A 2004 [22]	Journal of Neurosurgery	126	39%	Management	Brachial plexus injury	154
13	Rocque B 2011 [23]	Journal of Neurosurg Pediatr	710	30%	Management	Chiari and syringomyelia	143
14	Fujibayashi S 2017 [24]	Spine	583	12.3%	Complications	Lateral interbody fusion complications	136
15	Eck J 2006 [25]	Spine	1322	23%	Management	Prednisolone in acute SCI	135
16	Cohen-Gadol A 2005 [26]	Neurosurgery	710	26%	Training & career	Residents duty hours reform	127
17	Dipaola C 2009 [27]	Spine Journal	133	86%	Management	Osteoporosis and osteomalacia	125
18	Whitehead W 2001 [28]	Pediatric Neurosurgery	129	65%	Management	Shunt infections practice survey	124
19	Tamburrini G 2008 [29]	Child's Nervous System	60	75%	Management	Sylvian fissure arachnoid cysts	123
20	McAbee J 2015 [30]	Journal of  Neurosurgery	3247	24%	Training & career	Satisfaction among neurosurgeons	123
21	Abosch A 2013 [31]	Sterotact Funct Neurosurgery	146	45%	Techniques	Deep Brain Stimulation procedural steps	120
22	Cheng M 2000 [32]	Neurosurgery	986	40%	Complications	Visual loss after spine surgery	120
23	Giustina A 2011 [33]	Pituitary	73	89%	Management	Acromegaly management practices	118
24	Jhawar B 2007 [34]	Journal of Neurosurg Spine	138	68%	Complications	Wrong side and  level in neurosurgery	118
25	Attenello F 2018 [35]	Journal of  Neurosurgery	1643	21%	Training & career	Burnout among residents	112
26	Favre J 1996 [36]	Neurosurgery	(28 centres*)	NA	Management	Pallidotomy practice survey	109
27	Ganju A 2013 [37]	World Neurosurgery	99	53.5%	Training & career	Simulation in neurosurgical education	108
28	Auerbach J 2011 [38]	Spine	904	62%	Training & career	Musculoskeletal disorders among spine surgeons	107
29	O'Neill B 2008 [39]	Surgical Neurology	3100	30.4%	Techniques	ICP monitor placement	104
30	Kaufman H 1991 [40]	Surgical Neurology	2969	38%	Management	Care of gunshot wounds to the head	97
31	Steinbok P 2006 [41]	Journal of Neurosurgery	(105)*	NA	Management	Occult tethered cord syndrome	92
32	Uribe J 2015 [42]	European Spine Journal	77	52%	Complications	Lateral interbody fusion complications	92
33	Ondo W 2005 [43]	Sterotact Funct Neurosurgery	47	77%	Techniques	Deep Brain Stimulation placement and adjustment	87
34	Bible J 2009 [44]	Spine Journal	142	83%	Management	Bracing after spine surgery	86
35	Haines S 1991 [45]	Neurosurgery	152	63%	Management	Chiari malformation Types I and II	86
36	Rapport R 2nd 1973 [46]	Journal of Neurosurgery	1354	78.6%	Management	Prophylaxis for posttraumatic epilepsy	86
37	Ghogawala Z 2007 [47]	Spine	239	38%	Management	Ventral vs. dorsal decomp in cervical s. myelopathy	81
38	Ikezaki K 1997 [48]	Clinical Neurol Neurosurg	2096	53%	Management	Haemorrhagic Moyamoya disease	79
39	Rofes A 2017 [49]	Acta Neurochirurgica	28 centres	75%	Management	Cognition in low-grade glioma	76
40	Schroeder G 2014 [50]	Spine	(84)*	NA	Management	Methylprednisolone in acute SCI	75
41	Hayashi K 2013 [51]	Clinical Neurol Neurosurg	2998	39.5%	Management	Moyamoya Disease in Japan	71
42	Kshettry V 2014 [52]	World Neurosurg	100	65%	Training & career	Laboratory dissection in neurosurgical residency	71
43	Oi S 1992 [53]	Child's Nervous System	30	50%	Management	Worldwide survey of pineal tumors	70
44	Ratliff J 2009 [54]	Journal of Neurosurg Spine	(229)*	NA	Complications	Spinal surgery complications	69
45	Hankinson T 2011 [55]	Journal of Neurosurg Pediatr	269	32%	Management	MR of diffuse intrinsic pontine glioma	69
46	Fontanella M 2020 [56]	World Neurosurgery	(446)*	NA	Training & career	Effect of Covid on neurosurgical practice	68
47	Suyama K 2014 [57]	World Neurosurgery	556	46.6%	Management	Hemicraniectomy for MCA infarction	63
48	Sakowitz O 2006 [58]	Neurosurgery	130 centres	77%	Management	Ruptured intracranial aneurysm in Germany	64
49	Stienen M 2016 [59]	Acta Neurochirurgica	(532)*	NA	Training & career	Quality of resident training in Europe	62
50	Al Khalili K 2014 [60]	World Neurosurgery	100	46%	Training & career	Neurosurgery resident selection	60