Factors associated with injurious from falls in people with early stage Parkinson's disease
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Falls are common in people with Parkinson's disease (PD) and have detrimental effects which can lower the quality of life. While studies have been conducted to learn about falling in general, factors distinguishing injurious from non-injurious falls are less clear. We develop a two-stage Bayesian logistic regression model was used to model the association of falls and injurious falls with data measured on patients. The forward stepwise selection procedure was used to determine which patient measures were associated with falls and injurious falls, and Bayesian model averaging (BMA) was used to account for uncertainty in this variable selection procedure. Data on 99 patients for a 12-month time period were considered in this analysis. Fifty five percent of the patients experienced at least one fall, with a total of 335 falls cases; 25 were the risk factors for fall/non-fall, with 77 and 76 gender were the risk factors associated with injurious falls. Thus, attaining normal body mass index, improving balance and gait could be seen as preventive efforts for injurious falls. There was no significant difference in the risk of falls between males and females, yet if falls occurred, females were more likely to get injured than males.
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