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Baseball and softball injury patterns in the Kingston region, a descriptive and etiologic analysis

by Kristman, Vicki Leigh

Abstract (Summary)
A two-part study was undertaken to illustrate patterns of injury among basebd and sofiball players in the Kingston, Ontario, Canada area during the 1998 playing season, and to assess baseball and sofibdl diamond infield features (type, depth, and particle size) as potential risk factors for the occurence of youth injury. Both parts used data Erom the Kingstonand Region injury Surveillance hgram &REP), a subset of the Canadian Hospitals Injury Reporting and Prevention Program (CHIRPP), to iden- baseball and sofibdl injuries. During the 1998 season, there were 242 baseball- and sofiball-related visits to the two Kingston emergency departments- A study of the patterns of injury showed that L) injuries occurred in all age groups, but were most fkequent in the age rauge 25-34; 2) supdcial injuries were a common injury type in alI age groups; 3) males had more ktures and dislocations than females; and 4) fielding and baserunning injuries were common across all age groups. Results of this study were compared to those in previous descriptive studies- In the case-control component, cases (n=29) and individually matched controls (by date of injury; n=58) were recruited from the population of basebaIl and softball youths playing in one of five organized leagues within the city of Kingston. Cases were players (aged 5-23) who presented to an emergency department with a basebail or softball injury that was due to the infieid surface (i-e. sliding, diving, falIing). Controls were non-injured players who were playing ball on the same date that the matched case was injured- Cases were compared with the controls regarding their exposure to diamond infield surfaces. Conditional logistic regression was used to assess the association between infield surface type, surface depth, and surface particle size and baseball aad sofiball injuries- Surface depth and panicle size were assessed through a new measure: the Krisman-Pickett criteria Stone dust infield surfaces may manifest a greater risk for injury than the other surface types (OR=3,l, CI4-4-21.9). Surface particle size (OR=0,98, CI=0.83-1-15} and depth of the surface (OR=0.99, CI4.86-1-14) may not be aff & ted with an increase in infield injuries in youth baseball and softball players. The results do not justify the conversion of all stone dust diamonds into a different dace type-
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Source Type:Master's Thesis

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Date of Publication:01/01/1999

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