Association of N-terminal Pro-B-Type Natriuretic Peptide Levels and Electrocardiogram Changes With the Severity of Airflow Narrowing and Exercise Tolerance in Stable Chronic Obstructive Pulmonary Disease Patients: A Cross-Sectional Analytical Study.

Cureus · 2025 · PMC12793600 · PMID 41531616

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an increasing trendno p-value reported

Though not statistically significant, both comorbidities demonstrated an increasing trend with COPD severity (Table 4 ).

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