Minimal clinically important difference as a method for assessing the effectiveness of spinal surgery using scales and questionnaires: non-systematic literature review

Objective. To analyze the literature data and to present recommendations on use of minimum clinically important difference (MCID) in practice spinal surgeon-researcher. Material Methods. The article is a non-systematic review literature. A search was performed for sources, which describe calculation analysis MCID parameter cohort patients with degenerative diseases PubMed, Scopus Web Science databases. Further, carried out application assess effectiveness surgical treatment. Results. illustrated most common clinical scales used treatment surgery, their detailed description discussion benefits drawbacks. specific values cervical lumbar pathologies, first all ones, follow-up periods, can be assessing results treatment, as well planning prospective comparative studies are presented. Conclusion. required sample size outcomes. reflects not just change baseline indicator, but also significance patient.