The Influence of Multilevel Spinal Deformity Surgery on the EuroQol 5 Dimensions' (EQ-5D) Questionnaire and Residential Status in the Elderly: A Prospective, Observational, Multicenter Study

Overview

Journal Global Spine J

Publisher Sage Publications

Date 2023 Mar 21

PMID 36943086

Authors

Thorsten Jentzsch

Stephen J Lewis

Colby Oitment

Anna Rienmuller

Allan R Martin

Christopher J Nielsen

Hananel Shear-Yashuv

Marinus de Kleuver

Yong Qiu

Yukihiro Matsuyama

Lawrence G Lenke

Ahmet Alanay

Ferran Pellise-Urquiza

Kenneth M C Cheung

Maarten Spruit

David W Polly

Jonathan N Sembrano

Christopher I Shaffrey

Justin S Smith

Michael P Kelly

Benny Dahl

Sigurd H Berven

Affiliations

Soon will be listed here.

Abstract

Study Design: Multicenter, international prospective study.

Objective: This study investigated the clinical outcome up to 2 years after multi-level spinal deformity surgery in the elderly by reporting the minimal clinically important difference (MCID) of EuroQol 5-dimensions (EQ-5D), EQ-VAS, and residential status.

Methods: As an ancillary study of 219 patients ≥60 years with spinal deformity undergoing primary instrumented fusion surgery of ≥5 levels, this study focuses on EQ-5D (3-L) as the primary outcome and EQ-VAS and residential status as secondary outcomes. Data on EQ-5D were compared between pre-operatively and postoperatively at 10 weeks, 12 months, and 24 months. An anchor-based approach was used to calculate the MCID.

Results: The EQ-5D index and EQ-VAS, respectively, improved significantly at each time point compared to pre-operatively (from .53 (SD .21) and 55.6 (SD 23.0) pre-operatively to .64 (SD .18) and 65.8 (SD 18.7) at 10 weeks, .74 (SD .18) and 72.7 (SD 18.1) at 12 months, and .73 (SD .20) and 70.4 (SD 20.4) at 24 months). 217 (99.1%) patients lived at home pre-operatively, while 186 (88.6%), 184 (98.4%), and 172 (100%) did so at 10 weeks, 12 months, and 24 months, respectively. Our calculated MCID for the EQ-5D index at 1 year was .22 (95% CI .15-.29).

Conclusions: The EQ-5D index significantly increased at each time point over 24 months after ≥5 level spinal deformity surgery in elderly patients. The MCID of the EQ-5D-3 L was .22. Patients living at home pre-operatively can expect to be able to live at home 2 years postoperatively.

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