From: Characterizing patient factors, perioperative interventions, and outcomes associated with inpatients falls after total knee arthroplasty
− T − B
N = 1123
 + T− B
N = 2292
− T + B
N = 1065
 + T + B
N = 1992
p-Value
Fall Incidence
4 (0.4%)
12 (0.5%)
7 (0.7%)
16 (0.8%)
0.429