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Article
PROMIS physical function and pain perform poorly psychometrically in patients undergoing medial patellofemoral ligament reconstruction
The purpose of this study was to assess the validity, floor and ceiling effects, and dimensionality of PROMIS Physical Function (PF) and Pain compared to legacy patient reported outcome (PRO) measures in patie...
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Article
Machine-learning model successfully predicts patients at risk for prolonged postoperative opioid use following elective knee arthroscopy
Recovery following elective knee arthroscopy can be compromised by prolonged postoperative opioid utilization, yet an effective and validated risk calculator for this outcome remains elusive. The purpose of th...
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Article
Outcomes are comparable using free bone block autografts versus allografts for the management of anterior shoulder instability with glenoid bone loss: a systematic review and meta-analysis of “The Non-Latarjet”
Glenoid augmentation using free bone blocks for anterior shoulder instability has been proposed as an alternative to or bail-out for the Latarjet procedure. The purpose of this investigation was to systematica...
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Article
Increased hip arthroscopy operative duration is an independent risk factor for overnight hospital admission
The purpose of this study was to determine the association between operative duration and short-term complications as well as overnight hospital admission following hip arthroscopy.
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Article
Procedure length is independently associated with overnight hospital stay and 30-day readmission following anterior cruciate ligament reconstruction
The purpose was to characterize the independent effect of procedure length on the rates of 30-day perioperative complications, hospital readmissions, and overnight hospital stay in patients undergoing arthrosc...
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Chapter
A 65-Year-Old Recreational Athlete with Refractory Severe Glenohumeral Arthritis
End-stage primary glenohumeral arthritis in young active patients presents a number of treatment options and decisions. In this case example, we discuss the indications, surgical options, and postoperative rec...
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Article
Epidemiology of injuries in tennis players
To review the recent literature regarding the epidemiology of tennis injuries at all levels of play, and to discuss recent findings in injury surveillance by the Association of Tennis Professionals (ATP).
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Article
Applications of generalized likelihood ratio method to distribution sensitivities and steady-state simulation
We provide applications of the generalized likelihood ratio (GLR) method proposed in Peng et al. (2016c) to distribution sensitivity estimation for both finite-horizon and steady-state simulation. Applications on...
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Article
Optimal Army officer force profiles
We explore the optimization of US Army officer force profiles. An officer force profile describes the distribution of rank and specialty as well as age and experience within the officer corps. There are two di...
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Book
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Chapter
Overview of the Handbook
This chapter provides a brief introduction to the handbook, including an overview of the contents of the other chapters.
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Chapter
Stochastic Gradient Estimation
This chapter reviews simulation-based methods for estimating gradients, which are central to gradient-based simulation optimization algorithms such as stochastic approximation and sample average approximation....
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Chapter
An Overview of Stochastic Approximation
This chapter provides an overview of stochastic approximation (SA) methods in the context of simulation optimization. SA is an iterative search algorithm that can be viewed as the stochastic counterpart to ste...
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Book
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Reference Work Entry In depth
Simulation of Stochastic Discrete-Event Systems
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Reference Work Entry In depth
Approximate Dynamic Programming
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Reference Work Entry In depth
Simulation Optimization
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Reference Work Entry In depth
Perturbation Analysis
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Chapter
Markov Decision Processes
We provide a formal description of the discounted reward MDP framework in Chap. 1, including both the finite- and the infinite-horizon settings and summarizing the associated optimality equations. We then pres...
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Chapter
Population-Based Evolutionary Approaches
Chapter 3 considers infinite-horizon problems and presents evolutionary approaches for finding an optimal policy. The algorithms in this chapter work with a population of policies—in contrast to the usual poli...
