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In statistics, several tools are used to interpret the data. Measures of central tendency represent the characteristics of the data, such as mean, median, and mode. Additionally, measures of variance like standard deviation and range are used to find the spread of data from the mean. Relative standing measures the distance between data locations. Commonly used measures of relative standings are percentile, z score, and quartiles.
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Sampling is a technique to select a portion (or subset) of the larger population and study that portion (the sample) to gain information about the population. Data are the result of sampling from a population. The sampling method ensures that samples are drawn without bias and accurately represent the population. Because measuring the entire population in a study is not practical, researchers use samples to represent the population of interest.
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The atomic mass of an element varies due to the relative ratio of its isotopes. A sample's relative proportion of oxygen isotopes influences its average atomic mass. For instance, if we were to measure the atomic mass of oxygen from a sample, the mass would be a weighted average of the isotopic masses of oxygen in that sample. Since a single sample is not likely to perfectly reflect the true atomic mass of oxygen for all the molecules of oxygen on Earth, the mass we obtain from this...
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Patient-Reported Satisfaction Following Post-bariatric Surgery: A Systematic Review.

M Barone1,2, A Cogliandro3,4, R Salzillo1

  • 1Plastic and Reconstructive Surgery Unit, Campus Bio-Medico University of Rome, Via Alvaro del Portillo 200, Rome, Italy.

Aesthetic Plastic Surgery
|June 28, 2018
PubMed
Summary
This summary is machine-generated.

This study reviewed patient satisfaction after bariatric surgery, finding the BODY-Q to be a reliable measure for assessing quality of life in post-bariatric patients. The research analyzed various questionnaires used in bariatric surgery outcomes.

Keywords:
Bariatric surgeryBody imagePatient-reported outcomePlastic surgeryQuality of lifeQuestionnaireSatisfaction

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Area of Science:

  • Surgical Outcomes Research
  • Patient-Reported Outcomes
  • Health Services Research

Background:

  • Patient satisfaction and quality of life are crucial metrics following bariatric surgery.
  • Existing questionnaires for assessing these outcomes vary in their development and psychometric properties.
  • A comprehensive analysis of these instruments is needed to identify reliable measures.

Purpose of the Study:

  • To identify studies evaluating patient satisfaction post-bariatric surgery.
  • To analyze the development, psychometric properties, and content of existing patient satisfaction questionnaires.
  • To determine the most effective and validated instruments for measuring quality of life in this population.

Main Methods:

  • A systematic literature search was conducted on PubMed for studies on patient satisfaction and quality of life after bariatric surgery.
  • Identified questionnaires were categorized as generic, surgery-specific, or ad hoc, and assessed for validated or unvalidated measures.
  • Reviewers evaluated questionnaires for adherence to FDA and Medical Outcomes Trust guidelines.

Main Results:

  • The search yielded 1754 articles, with 12 studies meeting inclusion criteria for systematic review.
  • Twenty individual questionnaires were identified, including 10 generic, 6 bariatric-specific, and 3 breast surgery-specific instruments.
  • The BODY-Q emerged as a superior measure for quality of life assessment in post-bariatric patients.

Conclusions:

  • The BODY-Q demonstrates superior objectivity and confidence in evaluating quality of life for post-bariatric surgery patients.
  • This finding aids in selecting validated instruments for robust patient outcomes assessment.
  • Further research may focus on refining and validating additional patient-reported outcome measures in bariatric surgery.