Patients' Perception of Early Symptoms Before Parkinson's Diagnosis
Author Information
Author(s): Gaenslen Alexandra MD, Swid Irene MD, Liepelt-Scarfone Inga MD, Godau Jana MD, Berg Daniela MD
Primary Institution: Department of Neurodegeneration, Hertie Institute of Clinical Brain Research, University of Tübingen
Hypothesis
What is the time span from the onset of first prodromal symptoms to the initial diagnosis of Parkinson's disease?
Conclusion
The study confirms that patients experience a long prodromal phase before being diagnosed with Parkinson's disease, with an average of 10.2 years from symptom onset to diagnosis.
Supporting Evidence
- 98.8% of PD patients reported experiencing prodromal symptoms before diagnosis.
- Patients recalled an average of 7.6 different symptoms before diagnosis.
- The mean time from symptom onset to diagnosis was 10.2 years.
Takeaway
People with Parkinson's disease often notice symptoms many years before they are diagnosed, which can help doctors identify those at risk.
Methodology
Retrospective study involving 93 PD patients and 93 matched controls, using a standardized telephone interview to assess symptoms.
Potential Biases
Potential bias due to the retrospective nature of the study and the method of data collection via telephone.
Limitations
The study relies on patients' retrospective recall of symptoms, which may not be entirely accurate.
Participant Demographics
Mean age of PD patients was 67.9 years, with 35.5% female participants.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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