Conduct a critical appraisal of a systematic review article.
Complete a critical appraisal using the article Kleinpell R.M. Ely E.W. & Grabenkort R. (2008). Nurse practitioners and physician assistants in the intensive care unit: An evidence-based review. Critical Care Medicine 36(10) 2888-2897 and the Systematic Review Appraisal Sheet (attached). It is recommended you review the checklist of components to be included in a systematic review article (also attached) to assist you with this assignment.
Text S1 Checklist of items to include when reporting a systematic review or meta-analysis
Section/topic # Checklist item Reported on page #
1 Identify the report as a systematic review meta-analysis or both.
2 Provide a structured summary including as applicable: background; objectives; data sources; study eligibility criteria participants and interventions; study appraisal and synthesis methods; results; limitations; conclusions and implications of key findings; systematic review registration number.
3 Describe the rationale for the review in the context of what is already known.
4 Provide an explicit statement of questions being addressed with reference to participants interventions comparisons outcomes and study design (PICOS).
5 Indicate if a review protocol exists if and where it can be accessed (e.g. Web address) and if available provide registration information including registration number.
6 Specify study characteristics (e.g. PICOS length of follow-up) and report characteristics (e.g. years considered language publication status) used as criteria for eligibility giving rationale.
7 Describe all information sources (e.g. databases with dates of coverage contact with study authors to identify additional studies) in the search and date last searched.
8 Present full electronic search strategy for at least one database including any limits used such that it could be repeated.
9 State the process for selecting studies (i.e. screening eligibility included in systematic review and if applicable included in the meta-analysis).
10 Describe method of data extraction from reports (e.g. piloted forms independently in duplicate) and any processes for obtaining and confirming data from investigators.
11 List and define all variables for which data were sought (e.g. PICOS funding sources) and any assumptions and simplifications made.
12 Describe methods used for assessing risk of bias of individual studies (including specification of whether this was done at the study or outcome level) and how this information is to be used in any data synthesis.
13 State the principal summary measures (e.g. risk ratio difference in means).
14 Describe the methods of handling data and combining results of studies if done including measures of consistency (e.g. I2) for each meta-analysis.
15 Specify any assessment of risk of bias that may affect the cumulative evidence (e.g. publication bias selective reporting within studies).
16 Describe methods of additional analyses (e.g. sensitivity or subgroup analyses meta-regression) if done indicating which were pre-specified.
17 Give numbers of studies screened assessed for eligibility and included in the review with reasons for exclusions at each stage ideally with a flow diagram.
Study characteristics 18 For each study present characteristics for which data were extracted (e.g. study size PICOS follow-up period) and provide the citations.
Risk of bias within studies 19 Present data on risk of bias of each study and if available any outcome-level assessment (see Item 12).
Results of individual studies 20 For all outcomes considered (benefits or harms) present for each study: (a) simple summary data for each intervention group and (b) effect estimates and confidence intervals ideally with a forest plot.
Synthesis of results 21 Present results of each meta-analysis done including confidence intervals and measures of consistency.
Risk of bias across studies 22 Present results of any assessment of risk of bias across studies (see Item 15).
Additional analysis 23 Give results of additional analyses if done (e.g. sensitivity or subgroup analyses meta-regression) (see Item 16).
DISCUSSION
Summary of evidence 24 Summarize the main findings including the strength of evidence for each main outcome; consider their relevance to key groups (e.g. health care providers users and policy makers).
Limitations 25 Discuss limitations at study and outcome level (e.g. risk of bias) and at review level (e.g. incomplete retrieval of identified research reporting bias).
Conclusions 26 Provide a general interpretation of the results in the context of other evidence and implications for future research.
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