RAR and Infant Mortality: A Retrospective Cardiac Surgery Cohort from 2017-2021

A retrospective observational cohort of 3634 infants who underwent cardiac surgery at Guangdong Provincial People’s Hospital from January 2017 through October 2021. The dataset examines the association between the red cell distribution width-to-albumin ratio (RAR) and in-hospital mortality, with an optimal RAR cut-off value of 1.35 fL/(g/L). The study was authored by Qi Yang and shared under a CC-BY-4.0 license.

Use Cases

• Predicting in-hospital mortality risk in infant cardiac surgery patients based on the RAR biomarker.
• Validating the RAR biomarker's prognostic value through logistic regression and ROC curve analysis.
• Conducting subgroup analyses to assess the consistency of the RAR-mortality association across patient categories.
• Modeling non-linear relationships between continuous biomarker values and clinical outcomes using restricted cubic splines.

Strengths

• Dataset includes 3634 patient records, providing a substantial cohort for analysis.
• Study defines a specific, validated RAR cut-off value of 1.35 fL/(g/L) for risk stratification.
• Analysis includes multiple statistical approaches (logistic regression, subgroup analysis, RCS, ROC curves).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown for the underlying data table, which may limit suitability assessment.
• Data reflects a single-center study from one hospital in Guangdong, China, which may limit generalizability.

Provenance

Source

Guangdong Provincial People’s Hospital

Collection Method

Retrospective observational cohort analysis

Time Range

January 2017 through October 2021

Freshness

Last updated 2026-04-16 04:19:05; freshness should be verified.

Geography

Guangdong, China