Rigor Reviewed

Rigor-Reviewed Manuscript

Non-invasive high frequency oscillatory ventilation for primary respiratory support in extremely preterm infants: multicentre randomised controlled trial

Name: Αlpha¹ Rigor Record — Non-invasive high frequency oscillatory ventilation for primary respiratory support in extremely preterm infants: multicentre randomised controlled trial
Item: Non-invasive high frequency oscillatory ventilation for primary respiratory support in extremely preterm infants: multicentre randomised controlled trial
Rating: 59
Author: Αlpha¹

Li Y, Zhu X, Li LJ, Chen L, Yang Q, Xu L, Liang W, Lin X, Li C, Xue J, Liu L, Pan X, Ju R, Peng X, Tang W, Shi Y, NHFOV study group.

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Αlpha¹ Rigor Review — 3★ (Adequate), 0 critical, 5 high issues for “Non-invasive high frequency oscillatory ventilation for primary respiratory support in extremely preterm infants: multicentre randomised controlled trial”

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Αlpha¹ Editorial

This rigor review was examined and confirmed by Αlpha¹ Editorial · August 10, 2026

Αlpha¹ Rigor Review

Rigor Reviewed

3 / 5

Adequate — real issues to address

Interventional Study

Critical

High-priority

How this rating was calculated▸

Started at 5★ — deductions

IntegrityIntegrity concern ×3−1.5★
ReportingEthical approvals partially met−0.25★
ReportingData & code availability partially met−0.25★

Model-reported confidence: highReviewer agreement: moderateEngine: 7.29.0Source: full text

Problems surfaced5 types

Numerical inconsistencies1

Values that contradict each other or are impossible for the stated sample: recomputed p-values and test statistics, GRIM/GRIMMER checks on summary numbers, percentages against their own counts, totals against their parts, and estimates against their own confidence intervals.

Internal contradictions in the reported numbersAssessed

Overstated conclusions1

Conclusions that reach past what the paper's own results support — including a significance claim that no longer holds when the statistic is recomputed, and efficacy resting on an unvalidated surrogate endpoint.

Conclusions only partially backed by the presented evidenceAssessed

Data authenticity concerns1

An adversarial read for patterns associated with data that may not be genuine: results that look too clean, implausibly large effects, duplicated data or images, and methods that do not match the results reported.

Other integrity concernAssessed

Reporting gaps2

Required detail the manuscript never states — study design, biological variables, ethics approval and consent, key resources, statistical reporting, data and code availability, and overall transparency.

Data/code availability incompleteAssessed
Ethics/consent reporting incompleteAssessed

This Αlpha¹ Rigor Review uses AI Rigor Reviewers trained on a curated corpus of high-fidelity and retracted papers, with expert supervision and curation. It can still make mistakes; verify each finding against the source before relying on it.

This is a well-conducted, well-reported multicentre RCT comparing NHFOV vs. NCPAP in extremely preterm infants. The study demonstrates strong methodological rigor in design, statistical analysis, and reporting transparency. Two minor reporting gaps—lack of a named ethics framework and analysis code only in supplemental files—result in 'warn' ratings for ethical_approvals and data_code_availability, but these do not undermine the paper's core validity.

This is a post-publication audit of an already published RCT. The evaluation covered all eight dimensions of scientific rigor. The study is a human interventional trial, so criteria such as animal housing, cell line authentication, and independent replication were scored as not applicable. The three independent reviewer runs converged on most dimensions; the main disagreements were on ethical approvals and data code availability, which were resolved by applying the scoring rules to the checklist sub-criteria.

12 major claims checked against the paper's own evidence: all adequately supported.

Efficacy claim is anchored to an adequate endpoint and a meaningful effect.

Recomputed 11 tests: 11 consistent, 0 inconsistent; 11 via agent-written checks.

3 integrity concerns flagged (0 high).

Reporting

Eight Dimensions6 pass · 2 warn

The introduction discusses the limitations of NCPAP, the potential advantages of NHFOV, and the inconsistent findings from previous trials, leading to a clear hypothesis for the current study. It explicitly states the gap in knowledge regarding NHFOV as primary respiratory support.

Sub-criteria

prior work citedADEQUATE

premise rationaleADEQUATE

limitations addressedADEQUATE

Per reviewer (3) — the votes behind the verdict

PASSReviewer 1· 90% conf

The study clearly establishes its premise by citing prior work, outlining the limitations of current treatments, and providing a logical rationale for investigating NHFOV.

Evidence

direct quote[Introduction, paragraph 4]

“Several randomised controlled trials comparing NHFOV and NCPAP have reported inconsistent findings about their effectiveness in managing respiratory distress syndrome.”