Falls in people with multiple sclerosis compared with falls in healthy controls

Rajarshi Mazumder, Charles Murchison, Dennis Bourdette, Michelle Cameron

Research output: Contribution to journalArticle

21 Citations (Scopus)

Abstract

Methods: 58 PwMS and 58 healthy controls, who are community-dwelling, were recruited in this 6-month prospective cohort study. 90% of PwMS and 84% of healthy controls completed the study. Participants counted falls prospectively using fall calendars and noted fall location, fall-related injuries, and the cause of the falls. Kaplan Meier survival analysis and logrank tests were performed to compare the distributions of survival without falling between PwMS and healthy controls.

Objective: To compare the risk, circumstances, consequences and causes of prospectively recorded falls between people with multiple sclerosis (PwMS) and healthy controls of similar age and gender.

Results:40.8% of controls and 71.2% of PwMS fell at least once. 48.1% of PwMS and 18.4% of healthy controls fell at least twice. 42.3% of PwMS and 20.4% of health controls sustained a fall-related injury. After adjusting for age and gender, the time to first fall (HR: 1.87, p = 0.033) and the time to recurrent falls (HR: 2.87, p = 0.0082) were significantly different between PwMS and healthy controls. PwMS reported an almost equal number of falls inside and outside, 86% of the falls in healthy controls were outside. Healthy controls were more likely to fall due to slipping on a slippery surface (39.5% vs 10.4%). PwMS more often attributed falls to distraction (31% vs 7%) and uniquely attributed falls to fatigue or heat.

Conclusions: Fall risk, circumstances, consequences, and causes are different for PwMS than for healthy people of the same age and gender. PwMS fall more, are more likely to be injured by a fall, and often fall indoors. PwMS, but not healthy controls, frequently fall because they are distracted, fatigued or hot.

Original languageEnglish (US)
Article numbere107620
JournalPLoS One
Volume9
Issue number9
DOIs
StatePublished - Sep 25 2014

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sclerosis
Multiple Sclerosis
gender
Independent Living
Wounds and Injuries
Kaplan-Meier Estimate
Survival Analysis
cohort studies
Fatigue
Health
Fatigue of materials
Cohort Studies
Hot Temperature
Prospective Studies

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

Falls in people with multiple sclerosis compared with falls in healthy controls. / Mazumder, Rajarshi; Murchison, Charles; Bourdette, Dennis; Cameron, Michelle.

In: PLoS One, Vol. 9, No. 9, e107620, 25.09.2014.

Research output: Contribution to journalArticle

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abstract = "Methods: 58 PwMS and 58 healthy controls, who are community-dwelling, were recruited in this 6-month prospective cohort study. 90{\%} of PwMS and 84{\%} of healthy controls completed the study. Participants counted falls prospectively using fall calendars and noted fall location, fall-related injuries, and the cause of the falls. Kaplan Meier survival analysis and logrank tests were performed to compare the distributions of survival without falling between PwMS and healthy controls.Objective: To compare the risk, circumstances, consequences and causes of prospectively recorded falls between people with multiple sclerosis (PwMS) and healthy controls of similar age and gender.Results:40.8{\%} of controls and 71.2{\%} of PwMS fell at least once. 48.1{\%} of PwMS and 18.4{\%} of healthy controls fell at least twice. 42.3{\%} of PwMS and 20.4{\%} of health controls sustained a fall-related injury. After adjusting for age and gender, the time to first fall (HR: 1.87, p = 0.033) and the time to recurrent falls (HR: 2.87, p = 0.0082) were significantly different between PwMS and healthy controls. PwMS reported an almost equal number of falls inside and outside, 86{\%} of the falls in healthy controls were outside. Healthy controls were more likely to fall due to slipping on a slippery surface (39.5{\%} vs 10.4{\%}). PwMS more often attributed falls to distraction (31{\%} vs 7{\%}) and uniquely attributed falls to fatigue or heat.Conclusions: Fall risk, circumstances, consequences, and causes are different for PwMS than for healthy people of the same age and gender. PwMS fall more, are more likely to be injured by a fall, and often fall indoors. PwMS, but not healthy controls, frequently fall because they are distracted, fatigued or hot.",
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