Author Topic: (Abst.) Trajectory of MS disease course for men & women over 3 eras  (Read 52 times)

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Offline agate

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From Multiple Sclerosis Journal, March 13, 2017:

Quote
Trajectory of MS disease course for men and women over three eras

Stanley Hum, Yves Lapierre, Susan C Scott, Pierre Duquette, Nancy E Mayo

 
Background:

Heterogeneity in disease course exists within multiple sclerosis (MS) subtypes.

Objective:

The objective was to estimate disease course heterogeneity over three distinct onset periods (pre-1995, 1995–2004, and 2005–present) for men and women.

Methods:

Group-based trajectory model (GBTM) was used to estimate clusters of patients following stable or unstable disease progression trajectories based on the Expanded Disability Status Scale (EDSS). Inception cohorts were generated from the Montreal Neurological Institute MS Clinic registry. Stable trajectories were defined as an EDSS ⩽3.0 and change ⩽1 point over the study period. Annualized relapse rate (ARR) based on the first 5 years of disease was an explanatory variable.

Results:

Proportion of women classified as stable was 0% for pre-1995, 69.0% for 1995–2004, and 83.9% post-2005; for men, these proportions were 18.4%, 41.4%, and 53.8%, respectively. Men had lower percentage of stable disease than women in both post-1995 cohorts (chi-square p < 0.0001). ARR was associated with higher disability trajectories in both post-1995 cohort (odds ratios >1.0) but not in the pre-1995 cohort.

Conclusion:

Large proportions of patients remain stable at their initial disability level for at least 15 years. Higher ARR increases the odds of patients being in a higher disability trajectory in the latter cohorts.

MS Speaks--online for 13 years

SPMS, diagnosed 1980. Avonex 2001-2004. Copaxone 2007-2010.

 

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