Volume 15, Issue 9 pp. 965-968

Body mass index does not change before Parkinson’s disease onset

P. Ragonese

P. Ragonese

Both authors contributed equally to this work.

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M. D’Amelio

M. D’Amelio

Both authors contributed equally to this work.

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G. Callari

G. Callari

Department of Clinical Neurosciences, University of Palermo, Palermo, Italy

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N. Di Benedetto

N. Di Benedetto

Department of Clinical Neurosciences, University of Palermo, Palermo, Italy

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B. Palmeri

B. Palmeri

Department of Clinical Neurosciences, University of Palermo, Palermo, Italy

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M. A. Mazzola

M. A. Mazzola

Department of Clinical Neurosciences, University of Palermo, Palermo, Italy

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V. Terruso

V. Terruso

Department of Clinical Neurosciences, University of Palermo, Palermo, Italy

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G. Salemi

G. Salemi

Department of Clinical Neurosciences, University of Palermo, Palermo, Italy

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G. Savettieri

G. Savettieri

Department of Clinical Neurosciences, University of Palermo, Palermo, Italy

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P. Aridon

P. Aridon

Department of Clinical Neurosciences, University of Palermo, Palermo, Italy

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First published: 11 August 2008
Citations: 32
Giovanni Savettieri, MD, Department of Clinical Neurosciences, University of Palermo, Via Gaetano La Loggia 1, 90129 Palermo, Italy (tel.: +39 091 6555146; fax: +39 091 6555147; e-mail: [email protected]).

Abstract

Background and purpose: Previous studies on the association between Parkinson’s disease (PD) and body mass index (BMI) have reported conflicting results. We investigated the relationship between PD and BMI by a case–control study.

Methods: PD patients were randomly matched to healthy individuals by sex and age. BMI distribution in cases has been compared with BMI of controls and odd ratios (ORs) with 95% CI were calculated.

Results: We included 318 PD patients and 318 controls. We observed no association between PD and BMI. BMI distribution in cases and controls was similar also when we adjusted for diabetes, hypercholesterolemia and the time elapsed between PD onset and the interview (OR = 0.99; CI = 0.94–1.03; P = 0.51).

Conclusions: These results did not confirm the previously reported association between PD and BMI. Population characteristics and methodological issues may partially account for the differences observed between the present study and the others.

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