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Table 1 PRISMA-P (preferred reporting items for systematic review and meta-analysis protocols) 2015 checklist: recommended items to address in a systematic review protocol

From: Radiology artificial intelligence, a systematic evaluation of methods (RAISE): a systematic review protocol

Section and topic Item nos. Checklist item
Administrative information
 Identification 1a Identify the report as a protocol of a systematic review (Title page)
 Update 1b If the protocol is for an update of a previous systematic review, identify as such (NA)
Registration 2 If registered, provide the name of the registry (such as PROSPERO) and registration number (Abstract)
 Contact 3a Provide name, institutional affiliation, e-mail address of all protocol authors; provide physical mailing address of corresponding author (Title page)
 Contributions 3b Describe contributions of protocol authors and identify the guarantor of the review (title page)
Amendments 4 If the protocol represents an amendment of a previously completed or published protocol, identify as such and list changes; otherwise, state plan for documenting important protocol amendments (NA)
 Sources 5a Indicate sources of financial or other support for the review (Acknowledgments)
 Sponsor 5b Provide name for the review funder and/or sponsor (Acknowledgments)
 Role of sponsor or funder 5c Describe roles of funder(s), sponsor(s) and/or institution(s), if any, in developing the protocol (Acknowledgments)
 Rationale 6 Describe the rationale for the review in the context of what is already known (introduction)
 Objectives 7 Provide an explicit statement of the question(s) the review will address with reference to participants, interventions, comparators and outcomes (PICO) (objectives)
 Eligibility criteria 8 Specify the study characteristics (such as PICO, study design, setting, time frame) and report characteristics (such as years considered, language, publication status) to be used as criteria for eligibility for the review (methods/inclusion criteria)
 Information sources 9 Describe all intended information sources (such as electronic databases, contact with study authors, trial registers or other grey literature sources) with planned dates of coverage (Methods/search methods)
 Search strategy 10 Present draft of search strategy to be used for at least one electronic database, including planned limits, such that it could be repeated (Table 1 search methods)
Study records
 Data management 11a Describe the mechanism(s) that will be used to manage records and data throughout the review (page 7 electronic search)
 Selection process 11b State the process that will be used for selecting studies (such as two independent reviewers) through each phase of the review (that is, screening, eligibility and inclusion in meta-analysis) (methods/selection and analysis)
 Data collection process 11c Describe planned method of extracting data from reports (such as piloting forms, done independently, in duplicate), any processes for obtaining and confirming data from investigators (methods/selection and analysis)
Data items 12 List and define all variables for which data will be sought (such as PICO items, funding sources), any pre-planned data assumptions and simplifications (methods/selection and analysis)
Outcomes and prioritisation 13 List and define all outcomes for which data will be sought, including prioritisation of main and additional outcomes, with rationale (methods/selection and analysis)
Risk of bias in individual studies 14 Describe anticipated methods for assessing risk of bias of individual studies, including whether this will be done at the outcome or study level, or both; state how this information will be used in data synthesis (methods/bias)
Data synthesis 15a Describe criteria under which study data will be quantitatively synthesised (NA page methods-8)
15b If data are appropriate for quantitative synthesis, describe planned summary measures, methods of handling data and methods of combining data from studies, including any planned exploration of consistency (such as I2, Kendall’s τ)
15c Describe any proposed additional analyses (such as sensitivity or subgroup analyses, meta-regression)
15d If quantitative synthesis is not appropriate, describe the type of summary planned
Meta-bias(es) 16 Specify any planned assessment of meta-bias(es) (such as publication bias across studies, selective reporting within studies) (NA)
Confidence in cumulative evidence 17 Describe how the strength of the body of evidence will be assessed (such as GRADE) (Not included due to study heterogeneity)