Association Between Vitamin D Level and Respiratory Symptoms in Patients with Stable Chronic Obstructive Pulmonary Disease.

Int J Chron Obstruct Pulmon Dis · 2022 · PMC8937312 · PMID 35321532

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a decreasing trendno p-value reported

Vitamin D Levels According to Lung Function Parameters, Total CAT Score, and mMRC Grades As shown in Figure 3 , vitamin D levels showed a decreasing trend as GOLD grades increased ( p for trend = 0.010) and total CAT score ( p for trend < 0.001) and mMRC grades ( p = 0.045) worsened.

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