Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Variability: Analysis01:11

Variability: Analysis

522
Measures of variability are statistical metrics that reveal the dispersion pattern within a dataset. They are pivotal in biostatistics, providing insights into the heterogeneity within health and biological data. Variability signifies the degree to which data points diverge from one another, helping researchers understand the potential range of values and associated uncertainty within the data.
The range is a simple measure of variability, indicating the difference between the highest and...
522
Random Variables01:09

Random Variables

17.9K
A random variable is a single numerical value that indicates the outcome of a procedure. The concept of random variables is fundamental to the probability theory and was introduced by a Russian mathematician, Pafnuty Chebyshev, in the mid-nineteenth century.
Uppercase letters such as X or Y denote a random variable. Lowercase letters like x or y denote the value of a random variable. If X is a random variable, then X is written in words, and x is given as a number.
For example, let X = the...
17.9K
Graphs of Equations in Two Variables01:30

Graphs of Equations in Two Variables

257
An equation with two variables, typically written in the form y = f(x) or Ax + By = C, describes a relationship between quantities represented by x and y. Each solution to such an equation is an ordered pair (x, y) that satisfies the equation when substituted. These pairs can be represented graphically to understand the variables' relationship visually.A common technique for constructing the graph of a two-variable equation is to create a value table. Begin by choosing several values for the...
257
Variables Affecting Phosphorescence and Fluorescence01:26

Variables Affecting Phosphorescence and Fluorescence

1.5K
Fluorescence and phosphorescence are essential phenomena in fields like analytical chemistry, biological imaging, and materials science, where they detect molecular properties and visualize cellular structures. Understanding the variables that influence these luminescent behaviors is crucial for maximizing accuracy and efficiency in their applications. These variables can broadly be grouped into chemical structure, solvent properties, and external conditions, each playing a distinct role in...
1.5K
ECG Interpretation of Arrhythmias I: Sinus Arrhythmias01:16

ECG Interpretation of Arrhythmias I: Sinus Arrhythmias

844
Arrhythmias are disturbances in the heart's rhythm that lead to abnormal heartbeats. These irregularities can originate from different parts of the heart and are classified based on their origin and nature.
Types of Arrhythmias
Sinus Node Arrhythmias
Sinus Bradycardia: Originating from the sinoatrial (SA) node, sinus bradycardia involves slower impulses, resulting in a heart rate of less than 60 beats per minute (bpm). Causes include sleep, vagal stimulation, beta-blockers, hypothyroidism,...
844
Operational Amplifiers01:17

Operational Amplifiers

2.0K
The operational amplifier, often referred to as an op-amp, is a multifaceted building block of a circuit. This electronic component functions like a voltage-controlled voltage source and can also be used to create a voltage- or current-controlled current source. The design of an operational amplifier enables it to execute mathematical operations when external components like resistors and capacitors are linked to its terminals. An op-amp has the capacity to sum signals, amplify a signal,...
2.0K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Myocardial Deformation Analysis in Congenital Aortic Valve Stenosis: Comparison Across Clinical Phenotypes in Children.

Pediatric cardiology·2026
Same author

Preoperative Pollen Exposure and Chronic Rhinosinusitis Outcomes After Endoscopic Sinus Surgery: A Pilot Investigation.

Laryngoscope investigative otolaryngology·2026
Same author

Post-Acute Rehabilitation Placement After Acute Ischemic Stroke Is Associated With Non-Clinical Factors Despite Similar Clinical Profiles.

medRxiv : the preprint server for health sciences·2026
Same author

Reducing Stress After Trauma in Physically Injured Children: A Randomized Clinical Trial.

JAMA pediatrics·2026
Same author

Three-dimensional characterization of glenoid defects in failed shoulder arthroplasties.

Journal of shoulder and elbow surgery·2026
Same author

Determining the Minimal Clinically Important Difference of the 40-Item Smell Identification Test in People With Cystic Fibrosis.

International forum of allergy & rhinology·2026

Related Experiment Video

Updated: Feb 6, 2026

Endoscopic Cholesteatoma Surgery
08:47

Endoscopic Cholesteatoma Surgery

Published on: January 19, 2022

13.1K

Operative time and cost variability for functional endoscopic sinus surgery.

Andrew J Thomas1, Kristine A Smith1, Christopher I Newberry1

  • 1Division of Head and Neck Surgery, Department of Surgery, University of Utah School of Medicine, Salt Lake City, UT.

International Forum of Allergy & Rhinology
|August 18, 2018
PubMed
Summary

The extent and location of endoscopic sinus surgery (ESS) significantly impact its cost, with more extensive procedures and urban facility settings leading to higher expenses. Understanding these variations is key to improving the value of ESS.

Keywords:
clinical practice variationdelivery of health carehealth care costshealth care reformsinus surgery

More Related Videos

Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery
09:53

Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery

Published on: July 5, 2021

4.3K
Full-Endoscopic Surgery for Hypothalamic Hamartoma Resection
02:22

Full-Endoscopic Surgery for Hypothalamic Hamartoma Resection

Published on: April 12, 2024

978

Related Experiment Videos

Last Updated: Feb 6, 2026

Endoscopic Cholesteatoma Surgery
08:47

Endoscopic Cholesteatoma Surgery

Published on: January 19, 2022

13.1K
Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery
09:53

Role of Diffusion MRI Tractography in Endoscopic Endonasal Skull Base Surgery

Published on: July 5, 2021

4.3K
Full-Endoscopic Surgery for Hypothalamic Hamartoma Resection
02:22

Full-Endoscopic Surgery for Hypothalamic Hamartoma Resection

Published on: April 12, 2024

978

Area of Science:

  • Otolaryngology
  • Health Economics
  • Surgical Outcomes Analysis

Background:

  • Understanding cost variations in endoscopic sinus surgery (ESS) is crucial for defining healthcare value.
  • Previous studies have not adequately identified the sources of cost variation in ESS.

Purpose of the Study:

  • To analyze the costs associated with ESS.
  • To identify specific sources of cost variance to guide value-improvement strategies.

Main Methods:

  • Analysis of 1739 ESS cases from 22 facilities (2008-2016).
  • Extracted cost and operative time data, confirmed procedures via medical records.
  • Compared three bilateral ESS groupings (full, intermediate, anterior) using multivariable gamma regression.

Main Results:

  • Median costs varied significantly by extent: full ESS ($4281), intermediate ESS ($3716), and anterior ESS ($2549).
  • Full ESS had significantly higher operative duration, total cost, and supply costs compared to anterior ESS.
  • Intermediate ESS duration was substantially longer in urban facilities compared to rural ones.

Conclusions:

  • Surgery duration, extent (full, intermediate, anterior), and facility location (urban vs. rural) are key drivers of ESS cost variation.
  • These findings can help policymakers, hospitals, and surgeons optimize the value proposition of ESS.
  • Identifying and addressing these cost factors can lead to more efficient healthcare delivery.