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Why Is PaO<sub>2</sub> Not Enough? Arterial Oxygen Content as a Prognostic Indicator in COPD Patients.

Rambam Maimonides Med J · 2026 · PMC13124155 · PMID 42054663

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hedged sentence
0.1600
closest p · 3.2× alpha
0.1600
boldest claim

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did not reach statistical significanceP =0.16not close (p > 0.1)
Arterial oxygen content (CaO 2 ) showed a protective trend, although this did not reach statistical significance in the multivariable model (HR 0.82; 95% CI 0.63–1.08; P =0.16).

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