Additional file 4: R analysis code

Journal: BMC Cardiovascular Disorders

Article: Carotid functional abnormalities without detectable intima-media thickening in adults with high-normal blood pressure: a retrospective cross-sectional quantitative ultrasound study

Authors: Qiwu Xu; Rongzhen Xu; Fan Bu; Yawen Wang; Xinyan Zhao; Yixuan Lin; Ruxin Ma; Yingzhen Xie

Corresponding author: Yingzhen Xie, Department of Neurology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China; xyz_dzmyy@163.com

Contents:
- 01_make_figures_tables.R: data preparation, primary statistical analyses, tables, and main/supplementary figures.
- 02_structure_function_extension.R: exploratory structure-function phenotype and incremental-discrimination analyses.

Analyses and figures were produced with R 4.5.1. The scripts are supplied for methodological transparency. They require the original clinical dataset and the variable names documented in the code. Patient-level clinical data are not included because of privacy and institutional data-governance restrictions.
