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Camerlingo S, Rubinstein F, Celia Ysrraelit M, Correale J, Carnero Contentti E, Rojas JI, Patrucco L, Leguizamon FDV, Tkachuk V, Fernandez Liguori N, Cristiano E, Mainella C, Zanga G, Carra A, Marrodan M, Martinez AD, Silva BA, Alonso R. Clinical impact of gender and age at onset on disease trajectory in primary progressive multiple sclerosis patients. Mult Scler 2024; 30:336-344. [PMID: 38247138 DOI: 10.1177/13524585231219138] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
BACKGROUND AND OBJECTIVES Primary-progressive multiple sclerosis (PPMS) is characterized by gradual neurological deterioration without relapses. This study aimed to investigate the clinical impact of gender and age at disease onset on disease progression and disability accumulation in patients with this disease phenotype. METHODS Secondary data from the RelevarEM registry, a longitudinal database in Argentina, were analyzed. The cohort comprised patients with PPMS who met inclusion criteria. Statistical analysis with multilevel Bayesian robust regression modeling was conducted to assess the associations between gender, age at onset, and Expanded Disability Status Scale (EDSS) score trajectories. RESULTS We identified 125 patients with a confirmed diagnosis of PPMS encompassing a total of 464 observations. We found no significant differences in EDSS scores after 10 years of disease progression between genders (-0.08; credible interval (CI): -0.60, 0.42). A 20-year difference in age at onset did not show significant differences in EDSS score after 10 years of disease progression (0.281; CI: -0.251, 0.814). Finally, we also did not find any clinically relevant difference between gender EDSS score with a difference of 20 years in age at onset (-0.021; CI: -0.371, 0.319). CONCLUSION Biological plausibility of gender and age effects does not correlate with clinical impact measured by EDSS score.
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Affiliation(s)
| | - Fernando Rubinstein
- Institute for Clinical Effectiveness and Health Policy, Buenos Aires, Argentina
| | | | | | | | - Juan I Rojas
- Centro de Esclerosis Múltiple Buenos Aires (CEMBA), Buenos Aires, Argentina
| | - Liliana Patrucco
- Centro de Esclerosis Múltiple Buenos Aires (CEMBA), Buenos Aires, Argentina
| | | | - Veronica Tkachuk
- Neurology Department, Hospital de Clinicas Jose de San Martin, Buenos Aires, Argentina
| | | | - Edgardo Cristiano
- Centro de Esclerosis Múltiple Buenos Aires (CEMBA), Buenos Aires, Argentina
| | | | - Gisela Zanga
- Neurology Department, Hospital Dr. César Milstein, Buenos Aires, Argentina
| | - Adriana Carra
- Neurology Department, Hospital Británico, Buenos Aires, Argentina
| | | | | | | | - Ricardo Alonso
- Centro Universitario de Esclerosis Múltiple (CUEM), Hospital Ramos Mejía, Buenos Aires, Argentina; Neurology Department, Sanatorio Güemes, Buenos Aires, Argentina
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