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Table 3 PRISMA diagram checklist

From: Decision aids on breast conserving surgery for early stage breast cancer patients: a systematic review

Section/topic # Checklist item Reported on page #
 Title 1 Identify the report as a systematic review, meta-analysis, or both Title
 Structured summary 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 Abstract and key words
 Rationale 3 Describe the rationale for the review in the context of what is already known Background, paragraph 1–3
 Objectives 4 Provide an explicit statement of questions being addressed with reference to participants, interventions, comparisons, outcomes, and study design (PICOS) Background, paragraph 4
 Protocol and registration 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 N/A
 Eligibility criteria 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 Methods, paragraph 1
 Information sources 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 Methods, paragraph 1 and Table 2
 Search 8 Present full electronic search strategy for at least one database, including any limits used, such that it could be repeated Methods, paragraph 1 and Table 2
 Study selection 9 State the process for selecting studies (i.e., screening, eligibility, included in systematic review, and, if applicable, included in the meta-analysis) Methods, paragraph 2 and Fig. 1
 Data collection process 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 Methods, paragraph 2 and Fig. 1
 Data items 11 List and define all variables for which data were sought (e.g., PICOS, funding sources) and any assumptions and simplifications made Methods, paragraph 2 and Table 1
 Risk of bias in individual studies 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 Methods, paragraph 2 and Table 3
 Summary measures 13 State the principal summary measures (e.g., risk ratio, difference in means) N/A
 Synthesis of results 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 N/A
 Risk of bias across studies 15 Specify any assessment of risk of bias that may affect the cumulative evidence (e.g., publication bias, selective reporting within studies) Methods, paragraph 2 and Table 3
 Additional analyses 16 Describe methods of additional analyses (e.g., sensitivity or subgroup analyses, meta-regression), if done, indicating which were pre-specified N/A
 Study selection 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 Methods, paragraph 2, Results, paragraph 1 and Fig. 1
 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 Results and Table 1
 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) Table 3
 Results of individual studies 20 For all outcomes considered (benefits or harms), present, for each study: (a) simple summary data for each intervention group (b) effect estimates and confidence intervals, ideally with a forest plot Results, outcomes and Table 1
 Synthesis of results 21 Present results of each meta-analysis done, including confidence intervals and measures of consistency N/A
 Risk of bias across studies 22 Present results of any assessment of risk of bias across studies (see Item 15) Table 3
 Additional analysis 23 Give results of additional analyses, if done (e.g., sensitivity or subgroup analyses, meta-regression [see Item 16]) N/A
 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., healthcare providers, users, and policy makers) Discussion, paragraph 1
 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) Discussion, paragraph 5
 Conclusions 26 Provide a general interpretation of the results in the context of other evidence, and implications for future research Conclusion
 Funding 27 Describe sources of funding for the systematic review and other support (e.g., supply of data); role of funders for the systematic review Declarations
  1. From: Moher et al. [25]
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