Publication: No association of 25-hydroxyvitamin D with exacerbations in primary care patients with COPD
No association of 25-hydroxyvitamin D with exacerbations in primary care patients with COPD
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Puhan, M. A., Siebeling, L., Frei, A., Zoller, M., Bischoff-Ferrari, H., & Ter Riet, G. (2014). No association of 25-hydroxyvitamin D with exacerbations in primary care patients with COPD. Chest, 145(1), 37–43. https://doi.org/10.1378/chest.13-1296
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BACKGROUND: Cross-sectional studies suggest an association of 25-hydroxyvitamin D with exacerbations in patients with COPD but longitudinal evidence from cohort studies is scarce. Our aim was to assess the association of serum 25-hydroxyvitamin D with exacerbations and mortality in primary care patients with COPD. METHODS: We included 356 COPD patients (GOLD stages II-IV, free of exacerbations for ≥4 weeks) from a prospective cohort study in Dutch and Swiss primary care settings in the main analysis where we assessed the association o
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- Puhan, Milo A
- Siebeling, Lara
- Frei, Anja
- Zoller, Marco
- Bischoff-Ferrari, Heike
- Ter Riet, Gerben
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Puhan, M. A., Siebeling, L., Frei, A., Zoller, M., Bischoff-Ferrari, H., & Ter Riet, G. (2014). No association of 25-hydroxyvitamin D with exacerbations in primary care patients with COPD. Chest, 145(1), 37–43. https://doi.org/10.1378/chest.13-1296