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. 2023 Jan 11;18(1):e0272952.
doi: 10.1371/journal.pone.0272952. eCollection 2023.

Gender differences in motor and non-motor symptoms in individuals with mild-moderate Parkinson's disease

Amit Abraham  1   2 , Allison A Bay  3 , Liang Ni  3 , Nicole Schindler  4 , Eeshani Singh  4 , Ella Leeth  3 , Ariyana Bozorg  3   5 , Ariel R Hart  3 , Madeleine E Hackney  3   5   6   7   8
Affiliations

Gender differences in motor and non-motor symptoms in individuals with mild-moderate Parkinson's disease

Amit Abraham et al. PLoS One. .

Abstract

Background: Parkinson's disease (PD) affects both men and women with documented gender differences across functional domains, with findings varying among reports. Knowledge regarding gender differences in PD for different geographic locations is important for further understanding of the disease and for developing personalized gender-specific PD assessment tools and therapies.

Objective: This study aimed to examine gender differences in PD-related motor, motor-cognitive, cognitive, and psychosocial function in people with PD from the southern United States (US).

Methods: 199 (127 men and 72 women; M age: 69.08±8.94) individuals with mild-moderate idiopathic PD (Hoehn &Yahr (H&Y) Median = 2, stages I-III) from a large metro area in the southeastern US were included in this retrospective, cross-sectional study. Motor, motor-cognitive, cognitive, and psychosocial data were obtained using standardized and validated clinical tests. Univariate analyses were performed, adjusting for age and housing type.

Results: After adjustment for age, housing, PD duration and fall rate, men exhibited statistically significantly greater motor (Movement Disorders Society (MDS)-Unified Parkinson Disease Rating Scale (UPDRS)-II) and non-motor (MDS-UPDRS-I) impact of PD, and more severe motor signs (MDS-UPDRS-III). Men exhibited worse PD-specific health-related quality of life related to mobility, activities of daily living, emotional well-being, cognitive impairment, communication, and more depressive symptoms. Men performed worse on a subtraction working memory task. Women had slower fast gait speed.

Conclusions: In the southeastern United States, men may experience worse PD-related quality of life and more depression than women. Many non-motor and motor variables that are not PD specific show no differences between genders in this cohort. These findings can contribute to the development of gender-sensitive assessment and rehabilitation policies and protocols for people with PD.

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Conflict of interest statement

The authors have declared that no competing interests exist.

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