Statistical analysis of arthroplasty data

I. Introduction and background

Jonas Ranstam Swedish National Competence Center Musculoskeletal Disorders, Skåne University Hospital, Lund, The Swedish Knee Arthroplasty Register, and Lund UniversityCorrespondence[email protected]

Johan Kärrholm The Swedish Hip Arthroplasty Register, Sahlgrenska University Hospital and Göteborg University, Göteborg, Sweden

Pekka PulkkinenThe Finnish Arthroplasty Register and Department of Public Health, University of Helsinki

Keijo Mäkelä The Finnish Arthroplasty Register and Turku University Central Hospital, Turku, Finland

Birgitte Espehaug The Norwegian Arthroplasty Register, Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway

Alma Becic Pedersen The Danish Hip and Knee Arthroplasty Register, Department of Clinical Epidemiology, Competence Center North, Aarhus University Hospital, Aarhus, Denmark

Frank Mehnert The Danish Hip and Knee Arthroplasty Register, Department of Clinical Epidemiology, Competence Center North, Aarhus University Hospital, Aarhus, Denmark

Ove Furnes The Norwegian Arthroplasty Register, Department of Orthopaedic Surgery, Haukeland University Hospital, Bergen, Norway;Department of Surgical Sciences, University of Bergen, Norway

& for the NARA study group show all

Abstract

It is envisaged that guidelines for statistical analysis and presentation of results will improve the quality and value of research. The Nordic Arthroplasty Register Association (NARA) has therefore developed guidelines for the statistical analysis of arthroplasty register data. The guidelines are divided into two parts, this one with an introduction and a discussion of the background to the guidelines, and the second one with a more technical statistical discussion on how specific problems can be handled (Ranstam et al. 2011b, see pages x-y in this issue). This first part contains an overview of implant survival analysis and statistical methods used to evaluate factors with a potential influence on this outcome.

Statistical analysis of arthroplasty data

I. Introduction and background

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Statistical analysis of arthroplasty data

I. Introduction and background

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