Preseason elimination impact on anterior cruciate ligament injury in the National Football League

doi:10.5312/wjo.v12.i11.833

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World Journal of Orthopedics

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2218-5836

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Retrospective Cohort Study

World J Orthop. Nov 18, 2021; 12(11): 833-841
Published online Nov 18, 2021. doi: 10.5312/wjo.v12.i11.833

Table 1 Cumulative anterior cruciate ligament tear count

Season	Total ACL tears	Percent difference	Teams impacted	P value¹
Through four regular season games, excluding preseason
2020	14	+118.8%	11	0.039
2015-2019 average	6.4		5.8
Through four regular season games, including preseason injuries
2020	14	-18.6%	11	0.394
2015-2019 average	17.2		13.6
Through eight regular season games, including preseason injuries
2020	19	-16.7%	12	0.196
2015-2019 average	22.8		16.0
Through eight games played, regular or preseason
2020	19	+10.5%	12	0.600
2015-2019 average	17.2		13.6

¹P value calculated using Chi-squared analysis. Bold indicated statistical significance.

ACL: Anterior cruciate ligament.

Citation: Patetta M, Mayo B, Martini OZ, Sullivan B, Onsen L, Hutchinson M. Preseason elimination impact on anterior cruciate ligament injury in the National Football League. World J Orthop 2021; 12(11): 833-841
URL: https://www.wjgnet.com/2218-5836/full/v12/i11/833.htm
DOI: https://dx.doi.org/10.5312/wjo.v12.i11.833