title: Fisher's Exact Test.
authors.forename: Lynne M
authors.initials: LM
authors.lastname: Connelly
mesh_terms: D000058:Accidental Falls / Q000706:statistics & numerical data*; D019644:Arthroplasty, Replacement, Hip / Q000706:statistics & numerical data*; D019645:Arthroplasty, Replacement, Knee / Q000706:statistics & numerical data*; D003627:Data Interpretation, Statistical; D006801:Humans; D009407:Nerve Block / Q000706:statistics & numerical data*