4.Figure 2. Smooth Curve FittingGraphs depicting the nonlinear relationships between key continuous variables (e.g., VAI, residual cholesterol) and Severe Airflow Limitation (SAL), used to visualize threshold effects.

Figshare 2026 Open access

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Authors: Zhongqiang Guo
DOI: 10.6084/m9.figshare.31501618
Cited by: 0

Abstract

4.Figure 2. Smooth Curve FittingGraphs depicting the nonlinear relationships between key continuous variables (e.g., VAI, residual cholesterol) and Severe Airflow Limitation (SAL), used to visualize threshold effects.

Fields of Study & Subjects

Chronic Obstructive Pulmonary Disease (COPD) Research Asthma and respiratory diseases Statistical Methods in Epidemiology

Publication details

Journal / source
Figshare
Publication date
4 March 2026
Language
EN