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PRISMA 2020 flow templates

PRISMA — environmental review

Environmental science systematic review template.

PRISMA 2020 flowResearch & AcademicPRISMA 2020 flow syntax docs
Template previewPRISMA 2020 flow
Air pollution and asthma incidence — review2,210 records identified · 2 exclusion reasonsIdentificationScreeningEligibilityIncludedRecords identified from:n = 2,210Databases: 2,100 · Registers: 110Records removed before screeningn = 600Duplicates removed: 480Excluded by automation: 120Records screened (title / abstract)n = 1,610Records excluded by reviewern = 1,180Reports sought for retrievaln = 430Reports not retrievedn = 26Reports assessed for eligibilityn = 404Reports excluded:n = 198No incidence outcome: n = 110Cross-sectional design: n = 88Studies included in reviewn = 159Reports of included studies: 206Every record is accounted for: all 4 stages of the flow balance.INFO206 reports describe 159 studies: 47 reports are a further paper about a study already counted.OKAll 11 stated counts are whole numbers of records.OKIdentification balances: 2,100 + 110 − 480 − 120 = 1,610 `title_screened`.OKScreening balances: 1,610 − 1,180 = 430 `abstracts_sought`.OKRetrieval balances: 430 − 26 = 404 `fulltext_assessed` (`other_sought` and `other_unavailable` are not stated and read as zero).OKEligibility balances: 404 − 198 = 206 `reports_included`.OKThe funnel descends: all 4 stage-to-stage comparisons hold — no count is larger than the one before it.OKAll 2 exclusion reasons are named and distinct, accounting for 198 reports.

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title "Air pollution and asthma incidence — review"
db_records 2100
register_records 110
duplicates 480
excluded_auto 120
title_screened 1610
title_excluded 1180
abstracts_sought 430
abstracts_unavailable 26
fulltext_assessed 404
exclude_reason "No incidence outcome" 110
exclude_reason "Cross-sectional design" 88
reports_included 206
studies_included 159