Surgical vs. non-surgical management of displaced type-2 odontoid fractures in patients aged 75 years and older: study protocol for a randomised controlled trial

[21] Molinari RW(2002)Validity and reliability of a modified version of the Neck Disability Index J Rehabil Med 34 284-3051

[22] Dahl J(2017)CONSORT Statement for randomized trials of nonpharmacologic treatments: a 2017 update and a CONSORT extension for nonpharmacologic trial abstracts Ann Intern Med 167 40-635

[23] Gruhn WL(1999)Randomisation methods: concealment BMJ 319 375-446

[24] Molinari WJ(2007)Minimal clinically important change of the Neck Disability Index and the Numerical Rating Scale for patients with neck pain Spine (Phila Pa 1976) 32 3047-118

[25] Seybold EA(2001)Swedish population health-related quality of life results using the EQ-5D Qual Life Res 10 621-1668

[26] Bayley JC(2002)Modelling valuations for EQ-5D health states: an alternative model using differences in valuations Med Care 40 442-755

[27] Vaccaro AR(1976)12. Index of ADL Med Care 14 116-56

[28] Kepler CK(2009)Study on accuracy and interobserver reliability of the assessment of odontoid fracture union using plain radiographs or CT scans Eur Spine J 18 1659-517

[29] Kopjar B(1988)Functional radiographic diagnosis of the cervical spine: flexion/extension Spine (Phila Pa 1976) 13 748-1251

[30] Chapman J(2011)Use of flexion and extension radiographs of the cervical spine to rule out acute instability in patients with negative computed tomography scans J Orthop Trauma 25 51-383

[21] Molinari RW(2002)Validity and reliability of a modified version of the Neck Disability Index J Rehabil Med 34 284-3051

[22] Dahl J(2017)CONSORT Statement for randomized trials of nonpharmacologic treatments: a 2017 update and a CONSORT extension for nonpharmacologic trial abstracts Ann Intern Med 167 40-635

[23] Gruhn WL(1999)Randomisation methods: concealment BMJ 319 375-446

[24] Molinari WJ(2007)Minimal clinically important change of the Neck Disability Index and the Numerical Rating Scale for patients with neck pain Spine (Phila Pa 1976) 32 3047-118

[25] Seybold EA(2001)Swedish population health-related quality of life results using the EQ-5D Qual Life Res 10 621-1668

[26] Bayley JC(2002)Modelling valuations for EQ-5D health states: an alternative model using differences in valuations Med Care 40 442-755

[27] Vaccaro AR(1976)12. Index of ADL Med Care 14 116-56

[28] Kepler CK(2009)Study on accuracy and interobserver reliability of the assessment of odontoid fracture union using plain radiographs or CT scans Eur Spine J 18 1659-517

[29] Kopjar B(1988)Functional radiographic diagnosis of the cervical spine: flexion/extension Spine (Phila Pa 1976) 13 748-1251

[30] Chapman J(2011)Use of flexion and extension radiographs of the cervical spine to rule out acute instability in patients with negative computed tomography scans J Orthop Trauma 25 51-383