Neonatal level of care and length of stay of moderate and late preterm infants
Bibliographic record
Abstract
Objective To compare the length of hospitalization for moderate and late preterm infants (MLPIs; 32 0/7 –36 6/7 weeks gestation) born at tertiary care (level III) perinatal centers versus secondary care perinatal centers (level II). Methods This was a retrospective cohort study of all MLPIs born at one of four perinatal centers (one tertiary and three secondary) in Calgary, Canada. All preterm infants born before 36 0/7 were routinely admitted to neonatal intensive care units (NICUs). We excluded infants with major congenital anomalies and those receiving planned palliative care. Multivariable logistic, propensity score-matched, and quantile regression analyses were used to adjust for potential confounding factors. Results Of the 1958 infants who met inclusion criteria, 676 (34.5%) infants were born at a tertiary care perinatal center with a level III NICU, and 1284 (65.5%) were born in secondary care perinatal centers with a level II NICU. The average gestational age was 34.8 weeks. Infants born at level II centers had shorter durations of hospital stay (adjusted mean difference [aMD] −1.0 day; 95% CI −1.7, −0.4) and tube feeding (aMD −2.2 day; 95% CI −2.9, −1.4), a lower need for peripheral intravenous access (adjusted odds ratio (aOR) 0.66; 95% CI 0.53, 0.83), reduced use of infant formula during hospitalization (aOR 0.58; 95% CI 0.43, 0.78), and a higher rate of breastmilk feeding at discharge (aOR 1.34; 95% CI 1.01, 1.77). Conclusion Delivery of MLPIs in secondary care perinatal centers is associated with shorter hospital stays and higher breastmilk feeding rates at discharge.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 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".