Background There has been a recent surge of interest in performing primary total knee
arthroplasty (TKA) in the outpatient setting to reduce cost and increase patient satisfaction. …

Background Context As research tools, the American Society of Anesthesiologists (ASA)
physical status classification system, the modified Charlson Comorbidity Index (mCCI), and the …

Background Identifying patients at highest risk for a complex perioperative course following
total hip arthroplasty (THA) is more important than ever in order to educate patients, optimize …

Background There has been great interest in performing outpatient THA and TKA. Studies
have compared such procedures done as outpatients versus inpatients. However, stated “…

Objectives: The Charlson comorbidity index (CCI), Elixhauser comorbidity measure (ECM),
and modified frailty index (mFI) have been associated with mortality after hip fracture. The …

Background Context Venous thromboembolism (VTE) is a known complication after spine
surgery, but prophylaxis guidelines are ambiguous for patients undergoing elective spine …

Methods: Comorbidity indices and demographics from National Surgical Quality Improvement
Program THA patients were evaluated for discriminative ability in predicting adverse …

Background: We recently developed a classification system to assess skeletal maturity by
scoring proximal humeral ossification in a similar way to the canonical Risser sign. The …

Background: Understanding skeletal maturity is important in the management of idiopathic
scoliosis. Iliac apophysis, triradiate cartilage, hand, and calcaneal ossification patterns have …

Little is known about the impact of operative time, as an independent and interval variable,
on general health perioperative outcomes following anterior cervical diskectomy and fusion. …