Analysis of factors affecting baseline SF-36 Mental Component Summary in Adult Spinal Deformity and its impact on surgical outcomes

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10.1016j.aott.2018.02.001.pdf

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2018-5

Author

Mmopelwa, Tiro
Ayhan, Selim
Yuksel, Selcen
Nabiyev, Vugar
Niyazi, Asli
Pellise, Ferran
Alanay, Ahmet
Sanchez Perez Grueso, Francisco Javier
Kleinstuck, Frank
Obeid, Ibrahim
Acaroglu, Emre

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Objectives: To identify the factors that affect SF-36 mental component summary (MCS) in patients with adult spinal deformity (ASD) at the time of presentation, and to analyse the effect of SF-36 MCS on clinical outcomes in surgically treated patients. Methods: Prospectively collected data from a multicentric ASD database was analysed for baseline parameters. Then, the same database for surgically treated patients with a minimum of 1-year follow-up was analysed to see the effect of baseline SF-36 MCS on treatment results. A clinically useful SF-36 MCS was determined by ROC Curve analysis. Results: A total of 229 patients with the baseline parameters were analysed. A strong correlation between SF-36 MCS and SRS-22, ODI, gender, and diagnosis were found (p < 0.05). For the second part of the study, a total of 186 surgically treated patients were analysed. Only for SF-36 PCS, the un-improved cohort based on minimum clinically important differences had significantly lower mean baseline SF-36 MCS (p < 0.001). SF-36 MCS was found to have an odds ratio of 0.914 in improving SF-36 PCS score (unit by unit) (p < 0.001). A cut-off point of 43.97 for SF-36 MCS was found to be predictive of SF-36 PCS (AUC = 0.631; p < 0.001). Conclusions: The factors effective on the baseline SF-36 MCS in an ASD population are other HRQOL parameters such as SRS-22 and ODI as well as the baseline thoracic kyphosis and gender. This study has also demonstrated that baseline SF-36 MCS does not necessarily have any effect on the treatment results by surgery as assessed by SRS-22 or ODI. (C) 2018 Turkish Association of Orthopaedics and Traumatology.

Subject Keywords

Surgery, Orthopedics and Sports Medicine, General Medicine, Adult spinal deformity, HRQOL, Mental component summary, Outcome, SF-36, Surgery

URI

https://hdl.handle.net/11511/51911

Journal

Acta Orthopaedica et Traumatologica Turcica

DOI

https://doi.org/10.1016/j.aott.2018.02.001

Collections

Department of Psychology, Article

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Citation Formats

T. Mmopelwa et al., “Analysis of factors affecting baseline SF-36 Mental Component Summary in Adult Spinal Deformity and its impact on surgical outcomes,” Acta Orthopaedica et Traumatologica Turcica, pp. 179–184, 2018, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/51911.