1. de Rooij JD, Gadjradj PS, Huygen FJ, et al. Management of symptomatic cervical disk herniation: a survey among dutch neurosurgeons. Spine (Phila Pa 1976) 2017 42:311-7.
2. Weldring T, Smith SM. Patient-reported outcomes (PROs) and Patient-Reported Outcome Measures (PROMs). Health Serv Insights 2013 6:61-8.
4. Mannion AF, Porchet F, Kleinstück FS, et al. The quality of spine surgery from the patient’s perspective. Part 1: the Core Outcome Measures Index in clinical practice. Eur Spine J 2009 18 Suppl 3(Suppl 3):367-73.
5. Mannion AF, Porchet F, Kleinstück FS, et al. The quality of spine surgery from the patient’s perspective: part 2. Minimal clinically important difference for improvement and deterioration as measured with the Core Outcome Measures Index. Eur Spine J 2009 18 Suppl 3(Suppl 3):374-9.
6. Oshima Y, Nagata K, Nakamoto H, et al. Validity of the Japanese core outcome measures index (COMI)-neck for cervical spine surgery: a prospective cohort study. Eur Spine J 2021 30:402-9.
7. Nagata K, Oshima Y, Nakamoto H, et al. Validity of the Japanese Core Outcome Measures Index (COMI)-Back for thoracic and lumbar spine surgery: a prospective cohort study. Eur Spine J 2020 29:1435-44.
8. Fankhauser CD, Mutter U, Aghayev E, et al. Validity and responsiveness of the Core Outcome Measures Index (COMI) for the neck. Eur Spine J 2012 21:101-14.
9. Monticone M, Ferrante S, Maggioni S, et al. Reliability, validity and responsiveness of the cross-culturally adapted Italian version of the core outcome measures index (COMI) for the neck. Eur Spine J 2014 23:863-72.
11. Terwee CB, Bot SD, de Boer MR, et al. Quality criteria were proposed for measurement properties of health status questionnaires. J Clin Epidemiol 2007 60:34-42.
12. Vernon H, Mior S. The Neck Disability Index: a study of reliability and validity. J Manipulative Physiol Ther 1991 14:409-15.
14. Ware J Jr, Kosinski M, Keller SD. A 12-item Short-Form Health Survey: construction of scales and preliminary tests of reliability and validity. Med Care 1996 34:220-33.
15. Steiner DL, Norman GR. Health measurement scales: a practical guide to their development and use. Oxford: Oxford Univ. Press; 1995.
16. Karabicak GO, Hazar Kanik Z, Gunaydin G, et al. Reliability and validity of the Turkish version of the Core Outcome Measures Index for the neck pain. Eur Spine J 2020 29:186-93.
17. Miekisiak G, Banach M, Kiwic G, et al. Reliability and validity of the Polish version of the Core Outcome Measures Index for the neck. Eur Spine J 2014 23:898-903.
18. Klemencsics I, Lazary A, Valasek T, et al. Cross-cultural adaptation and validation of the Hungarian version of the Core Outcome Measures Index for the back (COMI Back). Eur Spine J 2016 25:257-64.