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Record W3120442856 · doi:10.21203/rs.3.rs-127845/v1

Comparing Female Permanent Contraception Options in High Resource Countries: A Systematic Review

2020· review· en· W3120442856 on OpenAlexafffundabout
Rebecca Gormley, Brian Vickers, Brooke Cheng, Wendy V. Norman

Bibliographic record

VenueResearch Square · 2020
Typereview
Languageen
FieldMedicine
TopicReproductive Health and Contraception
Canadian institutionsUniversity of British ColumbiaSimon Fraser University
FundersCanadian Institutes of Health ResearchMichael Smith Health Research BCPublic Health AgencyPublic Health Agency of Canada
KeywordsResource (disambiguation)Systematic reviewBusinessPolitical scienceComputer scienceMEDLINELaw

Abstract

fetched live from OpenAlex

Abstract Background: Multiple options for permanent or long-acting contraception are available, each with adverse effects and non-contraceptive benefits. A comprehensive comparison of methods to support decision-making for people seeking to end their fertility and their healthcare providers is needed. We aimed to understand what is known from high quality studies about the comparability of options for permanent contraception. We sought studies comparing these methods of permanent or long-acting contraception: laparoscopic tubal ligation, hysteroscopic tubal occlusion, bilateral salpingectomy, and levonorgestrel-releasing intrauterine contraception (LNG-IUC), for effectiveness, adverse events, tolerability, patient recovery, non-contraceptive benefits and healthcare system costs among females in high resource countries seeking to permanently avoid conception. Methods: We followed PRISMA guidelines, searched EMBASE, Pubmed (Medline), Web of Science, and screened retrieved articles to identify additional relevant studies. We extracted data on population, interventions, outcomes, follow-up, health system costs, and study funding source. We assessed risk of bias using the Newcastle-Ottawa Scale, excluding studies with high risk of bias. Due to considerable heterogeneity, we performed a narrative synthesis. Results: Our search identified 6,612 articles. We reviewed the full text of 154 studies, yielding 35 studies which met inclusion criteria. We excluded 10 studies with high risk of bias, retaining 25 at low or medium risk for bias in our synthesis. Most studies assessed hysteroscopic tubal occlusion and/or laparoscopic tubal ligation. Most comparisons reported on effectiveness and adverse events, with fewer reporting tolerability, patient recovery, non-contraceptive benefits, and healthcare system costs. No comparisons reported accessibility, eligibility, or follow-ups required. We found inconclusive evidence comparing the effectiveness of hysteroscopic tubal occlusion to laparoscopic tubal ligation. All studies reported adverse events. All forms of tubal interruption reported a protective effect against cancers. Tolerability appeared greater among tubal ligation patients compared to hysteroscopic tubal occlusion patients. No medium or high-quality studies compared LNG-IUC to other methods.Conclusions: High-quality studies comparing outcomes relevant for those seeking female permanent contraception are needed to support informed decision-making. Research is needed to directly compare surgical forms of permanent contraception, such as tubal ligation or removal, with alternative options, such as intrauterine contraception.Systematic review registration: PROSPERO [CRD42016038254].

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.015
metaresearch head score (Gemma)0.063
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Systematic review · Consensus signal: Systematic review
GenreCandidate signal: Review · Consensus signal: Review
Teacher disagreement score0.015
Threshold uncertainty score0.077

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0150.063
Meta-epidemiology (narrow)0.0020.001
Meta-epidemiology (broad)0.0110.009
Bibliometrics0.0120.014
Science and technology studies0.0010.001
Scholarly communication0.0040.003
Open science0.0020.002
Research integrity0.0020.001
Insufficient payload (model declined to judge)0.0070.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.157
GPT teacher head0.465
Teacher spread0.309 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSystematic review
Domainnot available
GenreReview

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2020
Admission routes3
Has abstractyes

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