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Purpose <p>To develop and validate time-updated, corrected gestational age (CGA)–specific prediction models for identifying treatment-requiring retinopathy of prematurity (ROP) using routinely available systemic factors, and to assess longitudinal changes in predictor combinations and model performance with advancing CGA.</p> Study design <p>Retrospective cohort study.</p> Methods <p>Preterm infants who met institutional ROP screening criteria from a single tertiary center were included, excluding those with aggressive ROP. Multivariable logistic regression models were independently developed at CGA 28, 30, 32, and 34 weeks using routinely available systemic variables summarized from birth to each CGA. For each CGA-specific analysis, infants treated before the target CGA were excluded. Exhaustive subset selection based on the Akaike information criterion identified CGA-specific optimal predictor sets. Model performance was evaluated using stratified five-fold cross-validation with out-of-fold predictions, and discrimination was assessed by the area under the receiver operating characteristic curve (AUC).</p> Results <p>Predictor combinations selected by the optimal models differed across CGAs, indicating longitudinal changes in the predictive relevance of systemic factors. Growth-related and inflammatory indices were repeatedly selected, while overall predictor composition evolved with advancing CGA. Discrimination improved at later CGAs, with cross-validated AUCs of 0.650, 0.716, 0.809, and 0.842 at CGA 28, 30, 32, and 34 weeks, respectively.</p> Conclusion <p>These findings suggest that CGA-specific prediction models may help characterize the evolving risk of treatment-requiring ROP. However, prospective multicenter validation and further refinement are required before clinical application.</p>

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Corrected gestational age–specific prediction models for identifying treatment-requiring retinopathy of prematurity

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年7月18日

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  • Sao Sugimoto,
  • Masako Nagahara,
  • Kentaro Hayashi,
  • Takuya Kuriyama,
  • Han Peng Zhou,
  • Gen Mihara,
  • Kosuke Nakajima,
  • Takashi Ueta,
  • Taku Toyama

摘要

Purpose

To develop and validate time-updated, corrected gestational age (CGA)–specific prediction models for identifying treatment-requiring retinopathy of prematurity (ROP) using routinely available systemic factors, and to assess longitudinal changes in predictor combinations and model performance with advancing CGA.

Study design

Retrospective cohort study.

Methods

Preterm infants who met institutional ROP screening criteria from a single tertiary center were included, excluding those with aggressive ROP. Multivariable logistic regression models were independently developed at CGA 28, 30, 32, and 34 weeks using routinely available systemic variables summarized from birth to each CGA. For each CGA-specific analysis, infants treated before the target CGA were excluded. Exhaustive subset selection based on the Akaike information criterion identified CGA-specific optimal predictor sets. Model performance was evaluated using stratified five-fold cross-validation with out-of-fold predictions, and discrimination was assessed by the area under the receiver operating characteristic curve (AUC).

Results

Predictor combinations selected by the optimal models differed across CGAs, indicating longitudinal changes in the predictive relevance of systemic factors. Growth-related and inflammatory indices were repeatedly selected, while overall predictor composition evolved with advancing CGA. Discrimination improved at later CGAs, with cross-validated AUCs of 0.650, 0.716, 0.809, and 0.842 at CGA 28, 30, 32, and 34 weeks, respectively.

Conclusion

These findings suggest that CGA-specific prediction models may help characterize the evolving risk of treatment-requiring ROP. However, prospective multicenter validation and further refinement are required before clinical application.