TUBERKULOZ VE TORAK-TUBERCULOSIS AND THORAX, cilt.68, sa.1, ss.25-34, 2020 (ESCI)
Introduction: Vitamin D deficiency and chronic obstructive pulmonary disease (COPD) are both world-wide health problems. Vitamin D has known to be important in infectious pathologies. However, there are conflicting results in the role of vitamin D in COPD exacerbation. This study was design to evaluate the prevalence of vitamin D deficiency among patients with COPD exacerbation in relation with surrogate markers of exacerbation and long-term mortality in hospitalized patients with COPD.