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Critical Appraisal: Appraising a Treatment, Hand Lacerations

Evaluation Paper

How to Review a Paper

Writing an Abstract

Writing an Abstract

Why was the Study Done?

What Type of Trial Did They Do?

What Type of Trial Did They Do?

The Population in the Study

Did Randomisation Work?

Countering Bias

Losses to Follow-up

Was the Study Big Enough?

Competing Interests

Competing Interests

The JADAD Score

External Validity

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Critical Appraisal: Appraising a Treatment, Hand Lacerations
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Question 1 of 5

1. Question

Which of the following statements about whether you should read a paper or not are correct?

You should read all the papers that are published in the major journals
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All the evidence that is useful to emergency physicians comes from studies conducted in emergency departments
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You should only bother reading a paper if you think it is useful to you
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You should read all the papers that report studies that are conducted in emergency departments
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Question 2 of 5

2. Question

Which of the following statements about trial design are correct?

Effectiveness trials are concerned with how well an intervention works under ideal circumstances
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Efficacy trials are concerned with how well an intervention works in a normal clinical environment
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Pragmatic trials are concerned with the overall consequences of an intervention
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Explanatory trials are concerned with finding out how an intervention works
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Question 3 of 5

3. Question

Which of the following are potential explanations for any finding in a study?

Chance
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Bias
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Magic
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Fraud
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Causality
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Confounding
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Question 4 of 5

4. Question

Which of the following statements are correct about statistical tests?

A chi squared test is used for categorical data
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Power means the chance that a study has of detecting a difference if one truly exists
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A t-test is used for normally distributed continuous data
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A t-test is used for categorical data
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Confidence intervals are more use than p-values because they indicate the precision of a result and the statistical significance
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Question 5 of 5

5. Question

Which of the following statements about the validity of trials are correct?

Internal validity is higher when the study is double-blinded
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A high JADAD score means that the study has high internal validity
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‘High internal validity’ means that you would expect the same result if you were to apply the results to your own patients
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Generalisability is the same concept as external validity
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12 Comments

lodgee December 9, 2017 at 1:01 pm

Good Module

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issamo January 4, 2018 at 7:41 pm

Might not read books anymore. Thanks

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Ramy Abdelkader February 23, 2019 at 12:43 pm

really nice

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fadhelm July 3, 2018 at 9:43 pm

amazing module

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Dr. Mohammed Abdelghani Siddeeg Fgeer June 15, 2020 at 9:46 pm

Excellent module about critical appraisal.

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baboul June 28, 2020 at 6:58 pm

excellent module

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Sajjad Ahmed August 25, 2020 at 4:51 pm

Excellent, very well explained

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John Lawani October 31, 2020 at 11:09 am

statistics was never a strong suite but I understand it better now. Thanks.

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Hwei Choo February 4, 2021 at 3:59 pm

Helpful for critical appraisal. Thanks!

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palisseryr6329 March 31, 2021 at 12:40 pm

nice module

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Mrs Anne Willis May 3, 2023 at 4:07 pm

Helpful module for a subject I do not enjoy

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MIrjana Starinac-Baldwin May 26, 2026 at 3:28 am

Useful

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