A meta-analysis of the effect of inspired oxygen concentration on the incidence of surgical site infection following cesarean section

2013· review· en· 26 citations· W1965743895 on OpenAlex· 10.1016/j.ijoa.2013.01.001

Why is this work in the frame?

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

Canadian affiliationAn author listed a Canadian institution. This is the only route the usual frame has.

The three-model screen

all 1,000 screened works →

All three models called this out of scope.

stratum: aff_core · design weight: 5595.24 (the sample is stratified; any rate computed without the weight is wrong)

Claude Opus 4.8OUT

genre: empirical

about Canada: no

confidence: high

Meta-analysis answering a clinical question about oxygen concentration and surgical site infection; a synthesis method used, not studied.

GPT-5.6 (high)OUT

genre: empirical

about Canada: no

confidence: high

This meta-analysis answers a clinical question about surgical-site infection after cesarean section rather than studying synthesis methodology.

Grok 4.5OUT

genre: empirical

about Canada: no

confidence: high

Meta-analysis answering a clinical SSI/cesarean oxygen question; uses synthesis, does not study it.

Abstract

No abstract. This is not a gap in this database — OpenAlex has none either. 23.3% of the frame is in this state, and the screen finds HALF as much metaresearch here, so the absence is a measured bias rather than a missing field.

The record

Venue: International Journal of Obstetric Anesthesia
Topic: Surgical site infection prevention
Field: Medicine
Canadian institutions: London Health Sciences Centre
Funders: —
Keywords: MedicineIncidence (geometry)Surgical site infectionSection (typography)Meta-analysisAnesthesiaObstetricsSurgeryInternal medicineOptics
Has abstract in OpenAlex: no
API: /api/v1/works/W1965743895