Análisis crítico de un artículo: «Impacto de la oximetría fetal en la tasa de cesáreas»
Bibliographic record
Abstract
Background: Knowledge of fetal oxygen saturation, as an adjunct to electronic fetal monitoring, may be associated with a significant change in the rate of cesarean deliveries or the infant's condition at birth.Methods: We randomly assigned 5341 nulliparous women who were at term and in early labor to either «open» or «masked» fetal pulse oximetry.In the open group, fetal oxygen saturation values were displayed to the clinician.In the masked group, the fetal oxygen sensor was inserted and the values were recorded by computer, but the data were hidden.Labor complicated by a nonreassuring fetal heart rate before randomization was documented for subsequent analysis.Results: There was no significant difference in the overall rates of cesarean delivery between the open and masked groups (26.3% and 27.5%, respectively; p = 0.31).The rates of cesarean delivery associated with the separate indications of a nonreassuring fetal heart rate (7.1% and 7.9%, respectively; p = 0.30) and dystocia (18.6% and 19.2%, respectively; p = 0.59) were similar between the two groups.Similar findings were observed in the subgroup of 2168 women in whom a nonreassuring fetal heart rate was detected before randomization.The condition of the infants at birth did not differ significantly between the two groups.Conclusions: Knowledge of the fetal oxygen saturation is not associated with a reduction in the rate of cesarean delivery or with improvement in the condition of the newborn. CONCLUSIÓN DE LOS REVISORES:El manejo del trabajo de parto basado en la monitorización continua de oximetría de pulso fetal asociado a cardiotocografía no reduce la tasa de cesáreas ni mejora la condición del recién nacido comparado con el manejo basado sólo en cardiotocografía.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.002 | 0.003 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
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".