Would loss to follow-up bias the outcome evaluation of patients operated for degenerative disorders of the lumbar spine?: A study of responding and non-responding cohort participants from a clinical spine surgery registry

Background and purpose Loss to follow-up may bias the outcome assessments of clinical registries. In this study, we wanted to determine whether outcomes were different in responding and non-responding patients who were included in a clinical spine surgery registry, at two years of follow-up. In addi...

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Veröffentlicht in:	Acta orthopaedica 2011-02, Vol.82 (1), p.56-63
Hauptverfasser:	Solberg, Tore K, Sørlie, Andreas, Sjaavik, Kristin, Nygaard, Øystein P, Ingebrigtsen, Tor
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Diseases of the osteoarticular system Medical sciences
Online-Zugang:	Volltext
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