Introduction: Chronic obstructive pulmonary disease (COPD) is a debilitating disorder that restricts the physical activity of patients who are deprived of sunlight, which is a source of vitamin D. The purpose of this study was to assess the relationship between vitamin D and the frequency of exacerbation and hospitalization among patients with COPD.
Material and Method: In the main analysis, 303 patients with COPD (stage GOLD A to D) were included in a retrospective cohort study in Turkey. Serum levels of vitamin D (25-hydroxyvitamin D) were measured in 303 patients with COPD and were associated with pulmonary function, AECOPD frequency and hospitalization in the previous year. Results: For COPD patients, the mean reference level of 25 hydroxyvitamin D in serum was 12.5 ng/dL. In comparison to patients with a serious 25-hydroxyvitamin D deficiency (< 10 ng/dL, n=119 [39,3%]), patients with a moderate deficiency (10-19.99 ng/dL, n=100 [33%]), inadequate levels (20-29.99 ng/dL, n=49 [16,2%]) presented a different risk of exacerbation (incidence rate ratio, 2.3 [95% CI, 1.9-2.6], 1.6 [95% CI, 1.2-2.0], and 0.8 [95% CI, 0.3-1.2] respectively). In patients with desirable levels (> 30 ng/dL, n=34 [11,2%]), the risk was lower but not significant (incidence ratio, 0.7 [95% CI, 0.2-1.2]. In COPD patients, 25-hydroxyvitamin D rates are low correlated with 1-s forced expiratory volume (FEV1) (r=0.187, p=0.0013).
Conclusion: 25-hydroxyvitamin D deficiency is a frequent occurrence in COPD and is correlated with the frequency of exacerbation and hospitalization in COPD patients.
Primary Language | English |
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Subjects | Health Care Administration |
Journal Section | Original Article |
Authors | |
Publication Date | March 15, 2022 |
Published in Issue | Year 2022 Volume: 5 Issue: 2 |
Interuniversity Board (UAK) Equivalency: Article published in Ulakbim TR Index journal [10 POINTS], and Article published in other (excuding 1a, b, c) international indexed journal (1d) [5 POINTS].
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Editor List for 2022
Assoc. Prof. Alpaslan TANOĞLU (MD)
Prof. Aydın ÇİFCİ (MD)
Prof. İbrahim Celalaettin HAZNEDAROĞLU (MD)
Prof. Murat KEKİLLİ (MD)
Prof. Yavuz BEYAZIT (MD)
Prof. Ekrem ÜNAL (MD)
Prof. Ahmet EKEN (MD)
Assoc. Prof. Ercan YUVANÇ (MD)
Assoc. Prof. Bekir UÇAN (MD)
Assoc. Prof. Mehmet Sinan DAL (MD)
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Articles published in the Journal of Health Sciences and Medicine have open access and are licensed under the Creative Commons CC BY-NC-ND 4.0 International License.