Critical Appraisal Tool
Worksheet Template
Evaluation Table
Use this document to complete the evaluation table requirement of the Module 4 Assessment, Evidence-Based Project, Part
4A: Critical Appraisal of Research
Article #1
Article #2
Article #3
Article #4
Full APA formatted citation of
selected article.
Evidence Level *
(I, II, or III)
Conceptual Framework
Describe the theoretical basis for
the study (If there is not one
mentioned in the article, say
that here).**
Design/Method
Describe the design and how the
© 2018 Laureate Education Inc.
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study was carried out (In detail,
including inclusion/exclusion
criteria).
Sample/Setting
The number and characteristics of
patients, attrition rate, etc.
Major Variables Studied
List and define dependent and
independent variables
Measurement
Identify primary statistics used to
answer clinical questions (You
need to list the actual tests
done).
Data Analysis Statistical or
Qualitative findings
(You need to enter the actual
numbers determined by the
statistical tests or qualitative
data).
Findings and Recommendations
General findings and
recommendations of the research
Appraisal and Study Quality
© 2018 Laureate Education Inc.
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Describe the general worth of this
research to practice.
What are the strengths and
limitations of study?
What are the risks associated with
implementation of the suggested
practices or processes detailed in
the research?
What is the feasibility of use in
your practice?
Key findings
Outcomes
General Notes/Comments
© 2018 Laureate Education Inc.
3
*These levels are from the Johns Hopkins Nursing Evidence-Based Practice: Evidence Level and Quality Guide
•
Level I
Experimental, randomized controlled trial (RCT), systematic review RTCs with or without meta-analysis
•
Level II
Quasi-experimental studies, systematic review of a combination of RCTs and quasi-experimental studies, or quasi-experimental studies only, with or without metaanalysis
•
Level III
Nonexperimental, systematic review of RCTs, quasi-experimental with/without meta-analysis, qualitative, qualitative systematic review with/without meta-synthesis
•
Level IV
Respected authorities’ opinions, nationally recognized expert committee/consensus panel reports based on scientific evidence
•
Level V
Literature reviews, quality improvement, program evaluation, financial evaluation, case reports, nationally recognized expert(s) opinion based on experiential evidence
**Note on Conceptual Framework
•
The following information is from Walden academic guides which helps explain conceptual frameworks and the reasons they are used in research. Here is the link
https://academicguides.waldenu.edu/library/conceptualframework
•
Researchers create theoretical and conceptual frameworks that include a philosophical and methodological model to help design their work. A formal theory provides
context for the outcome of the events conducted in the research. The data collection and analysis are also based on the theoretical and conceptual framework.
•
As stated by Grant and Osanloo (2014), “Without a theoretical framework, the structure and vision for a study is unclear, much like a house that cannot be constructed
without a blueprint. By contrast, a research plan that contains a theoretical framework allows the dissertation study to be strong and structured with an organized flow
from one chapter to the next.”
•
Theoretical and conceptual frameworks provide evidence of academic standards and procedure. They also offer an explanation of why the study is pertinent and how the
researcher expects to fill the gap in the literature.
•
Literature does not always clearly delineate between a theoretical or conceptual framework. With that being said, there are slight differences between the two.
© 2018 Laureate Education Inc.
4
References
The Johns Hopkins Hospital/Johns Hopkins University (n.d.). Johns Hopkins nursing dvidence-based practice: appendix C: evidence level and
quality guide. Retrieved October 23, 2019 from https://www.hopkinsmedicine.org/evidence-basedpractice/_docs/appendix_c_evidence_level_quality_guide.pdf
Grant, C., & Osanloo, A. (2014). Understanding, Selecting, and Integrating a Theoretical Framework in Dissertation Research: Creating the
Blueprint for Your" House". Administrative Issues Journal: Education, Practice, and Research, 4(2), 12-26.
Walden University Academic Guides (n.d.). Conceptual & theoretical frameworks overview. Retrieved October 23, 2019 from
https://academicguides.waldenu.edu/library/conceptualframework
© 2018 Laureate Education Inc.
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Clinical, Cosmetic and Investigational Dermatology
Dovepress
open access to scientific and medical research
Original Research
Clinical, Cosmetic and Investigational Dermatology downloaded from https://www.dovepress.com/ by 23.161.128.2 on 15-Jul-2020
For personal use only.
Open Access Full Text Article
Nurses’ knowledge on pressure injury prevention:
a systematic review and meta-analysis based on
the Pressure Ulcer Knowledge Assessment Tool
This article was published in the following Dove Press journal:
Clinical, Cosmetic and Investigational Dermatology
Sahar Dalvand 1
Abbas Ebadi 2
Reza Ghanei Gheshlagh 3,4
1
Department of Epidemiology
and Biostatistics, School of Public
Health, Tehran University of Medical
Sciences, Tehran, Iran; 2Behavioral
Sciences Research Center, Life Style
Institute, Nursing Faculty, Baqiyatallah
University of Medical Sciences, Tehran,
Iran; 3Department of Nursing, School
of Nursing and Midwifery, Kurdistan
University of Medical Sciences,
Sanandaj, Iran; 4Clinical Care Research
Center, Kurdistan University of
Medical Sciences, Sanandaj, Iran
Introduction
Correspondence: Reza Ghanei Gheshlagh
Department of Nursing, School of
Nursing and Midwifery, Kurdistan
University of Medical Sciences, Pasdaran
Street, 66177–13446 Sanandaj, Kurdistan,
Iran
Email rezaghanei30@yahoo.com
Pressure injury (PI) is a painful, costly, but potentially preventable problem that is common in older people and patients with limited mobility.1 The cost of the treatment of
PI is 2.5 times than its prevention.2 PI increases the length of stay in the hospital from
4 to 30 days, decreases quality of life, and increases pain, morbidity, and mortality.3–5
Limited use of knowledge is a common problem in clinical practice. Nurses are not
completely aware of up-to-date care protocols and may not have enough knowledge
on the current evidence-based practices. Sometimes, nurses’ activities are not based
on knowledge, but rather on intuition, experience, or habit.6
Control and prevention of PI requires interdisciplinary collaboration. In order to
keep the integrity of patients’ skin and prevent the complications of PI, nurses need
to receive support and advice from other health professionals.7 Different prevalence
rates have been reported for PI in different hospital wards. Patients with spinal cord
injury, older adults, and especially patients in intensive care units (ICUs) are at a
higher risk of developing PI.8
613
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Clinical, Cosmetic and Investigational Dermatology 2018:11 613–620
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© 2018 Dalvand et al. This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.
php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License (http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work
you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For
permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms (https://www.dovepress.com/terms.php).
http://dx.doi.org/10.2147/CCID.S186381
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Introduction: Inadequate knowledge on pressure injury (PI) can have a detrimental effect on
preventive care strategies. The aim of this study was to assess the overall knowledge of nurses
on PI prevention based on their scores on the Pressure Ulcer Knowledge Assessment Tool
(PUKAT) and its subscales in different settings.
Methods: In this systematic review and meta-analysis, databases including Web of Science,
Science Direct, Google Scholar, PubMed, and Scopus were searched, using the following keywords: Pressure Ulcer, Pressure injury, Bedsore, Pressure Sore, Decubitus Ulcer, knowledge,
and their possible combinations. Based on heterogeneity between the studies, the data were
analyzed using a random effects model. All of the analyses were performed using STATA
v.12 software.
Results: In all three groups (nurses, assistant nurses, and nursing students), the lowest knowledge
scores were for prevention measures to reduce the amount of pressure/shear. Nurses’ knowledge
(55.4%, 95% CI: 42.4–68.4) was higher than that of nursing students (52.7%, 95% CI: 3–49.56)
and assistant nurses (42.2%, 95% CI: 16.4–68).
Conclusion: The overall knowledge of nurses on PI prevention was lower than the recommended level (60%). Regular training courses and review of PI prevention guidelines can be
useful in updating the knowledge of nurses, especially assistant nurses and nursing students
on PI prevention.
Keywords: pressure injury, knowledge on pressure injury prevention, nurse
Dovepress
Clinical, Cosmetic and Investigational Dermatology downloaded from https://www.dovepress.com/ by 23.161.128.2 on 15-Jul-2020
For personal use only.
Dalvand et al
In the Vanderwee et al’s study, only 10% of the patients
at risk of developing PI received adequate preventive care.9
Prevention of PI begins by identifying high-risk individuals, systematical examination of skin, using bed and chair
support surfaces, changing posture, mobility, and nutritional
support.10 Low knowledge on PI prevention negatively
affects preventive care strategies.11 The review of literature
suggests that nurses’ knowledge on PI prevention is limited
and that this lack of knowledge can negatively influence
their performance.12 There are various tools for evaluating
nurses’ knowledge on PI prevention that often lack adequate
validation, so their results cannot be generalized.13–16 The
Pressure Ulcer Knowledge Assessment Tool (PUKAT) is a
26-item questionnaire, designed by Beeckman et al to assess
nurses’ knowledge on pressure injury in six areas of etiology
and development (six items), classification and observation
(five items), risk assessment (two items), nutrition (one item),
reduction in the amount of pressure/shear (seven items), and
reduction in the duration of pressure/shear (five items). A
score of 16 and higher (out of 26) indicates acceptable level
of knowledge and proficiency on PI (60% of the total score).17
The PUKAT has been used in different countries, including
Australia, Mexico, China, Italy, Sweden, Ireland, and Belgium, to assess nurses’ knowledge on PI prevention.11,18–24
PI is an index of nursing care quality, and management
of PI is one of the main nursing tasks, which is influenced
by nurses’ knowledge on this issue. Different studies have
reported different results about nurses’ knowledge on PI prevention. The results indicated that nurses’ level of knowledge
on PI prevention ranged from 28% to 74%. Considering the
importance of improving nurses’ knowledge on PI prevention, we should first have an insight on their current level of
knowledge; this systematic review and meta-analysis was
conducted with the aim of evaluating nurses’ overall knowledge on PI prevention.
Methods
Search strategy
Nurses’ knowledge on PI prevention was evaluated based on
their scores on the PUKAT, reported in articles conducted
from 2010 to March 2018.17 The year 2010 was selected
because the PUKAT was published in that year, and ever
since it has been cited in various research studies. In terms
of language, the articles published in English and Spanish
were included in the analysis. The search was conducted in
Web of Science, Science Direct, Google Scholar, PubMed,
and Scopus using the following keywords: Pressure Injury,
Pressure Ulcer, Bedsore, Pressure Sore, Decubitus Ulcer,
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and Knowledge, and their possible combinations. The reference lists of the articles were also reviewed to improve the
coverage.
Selection of studies and data extraction
First, all the articles that had used the keywords in their titles
were selected based on inclusion and exclusion criteria. The
inclusion criteria were the use of the PUKAT for measuring nurses’ knowledge on PI prevention and reporting the
required data. Lack of access to the article’s full text and
use of other tools to gather data were the exclusion criteria.
Using the abovementioned criteria, the titles and abstracts of
the articles were independently reviewed by two researchers,
and the related materials were extracted. In the next step, the
full texts of the articles providing useful information were
analyzed.
The methodological quality of the articles was analyzed
using the Strengthening the Reporting of Observational
Studies in Epidemiology (STROBE). This checklist contains
22 items assessing six different sections of research articles,
including title and abstract, introduction, method, results,
discussion, and sponsorship.25 Disagreements between the
two researchers were resolved by the correspondent author
who was experienced in meta-analysis. The data from the
selected articles were recorded in an Excel chart, including
the name of the first author, year of publication, country of
study, total sample size, target group (nurses, assistant nurses,
and nursing students), total scores on the PUKAT, and scores
on the six dimensions of the instrument.
Statistical analysis
Because in the selected studies, total scores on the PUKAT
and scores on its six dimensions were provided as percentages, the scores were estimated using the binomial distribution. The variance of each study was calculated using the
binomial distribution formula. A weighted mean was used
to combine the percentages of the scores in each study, so
that each study was weighted in proportion to its variance.
Because of the percentage difference in total PI prevention
knowledge scores and dimension scores between different
studies, and due to the significance of heterogeneity indices,
the random effects model was used to combine the studies
and estimate the percentage of total and dimension scores.
The I2 index and Cochran’s Q test were used to examine the
heterogeneity between the studies (I2 statistics below 25%
indicated low heterogeneity, between 25% and 50% moderate heterogeneity, and over 75% high heterogeneity). For the
Cochran’s Q test, the P-value was set at
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