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. 2014 May;4(3):446-52.
doi: 10.1002/brb3.228. Epub 2014 Apr 8.

Morbidity in early Parkinson's disease and prior to diagnosis

Rune Frandsen  1 , Jakob Kjellberg  2 , Rikke Ibsen  3 , Poul Jennum  4
Affiliations

Morbidity in early Parkinson's disease and prior to diagnosis

Rune Frandsen et al. Brain Behav. 2014 May.

Abstract

Background: Nonmotor symptoms are probably present prior to, early on, and following, a diagnosis of Parkinson's disease. Nonmotor symptoms may hold important information about the progression of Parkinson's disease.

Objective: To evaluated the total early and prediagnostic morbidities in the 3 years before a hospital contact leading to a diagnosis of Parkinson's disease.

Methods: Retrospective morbidity data from Danish National Patient Registry records (1997-2007) of 10,490 adult patients with a secondary care diagnosis of Parkinson's disease were compared with 42,505 control cases.

Results: Parkinson's disease was associated with significantly higher morbidity rates associated with conditions in the following categories: mental and psychiatric, nervous system, gastrointestinal, musculoskeletal system and connective tissue, genitourinary, abnormal clinical and laboratory findings, injury, poisoning and certain other external causes, and other factors influencing health status and contact with health services. It was negatively associated with neoplasm, cardiovascular, and respiratory diseases.

Conclusions: Patients with a diagnosis of Parkinson's disease present significant differences in morbidities early on, following, and prior to, their diagnosis, compared with healthy controls.

Keywords: Morbidities; National Patient Registry; Parkinson's disease; prediagnostic.

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