Byron F. Stephens

Measuring Long-Term Outcomes After Degenerative Spine Surgery: Is It Time for Something New? A Smartphone-Based Analysis of 60 753 Days of Objective Mobility Data.

BACKGROUND AND OBJECTIVES: PROMs. METHODS: . Linear mixed-effects models evaluated mobility changes, expressed as SD units relative to baseline. Likewise, correlations between mobility and PROMs were performed, including: Oswestry Disability Index, Neck Disability Index, Visual A...