Article # 1853
Journal Rhinology 57 - 2
Article Title Lack of correlation between serum 25(OH)D level and endoscopy-based chronic rhinosinusitis in Korean adults
Abstract BACKGROUND: Several previous studies have shown that serum 25(OH)D deficiency is associated with increased risk of chronic rhinosinusitis (CRS) in adults and also correlated with disease severity. We aimed to investigate the correlation between serum 25(OH)D level and endoscopy-based CRS in adults using the Korean National Health and Nutrition Examination Survey.
METHODS: The data were based on the Korean National Health and Nutrition Examination Survey from 2008 to 2011. Diagnosis of endoscopy-based CRS was based on endoscopic findings of mucopurulent rhinorrhea in the middle meatus or nasal polyps, with nasal symptoms satisfying symptom-based CRS based on European Position Paper on Rhinosinusitis and Nasal Polyps 2012 criteria. Nasal symptoms included nasal obstruction, anterior/posterior nasal drip, facial pain, and the loss of smell. Serum 25(OH) D level was defined as deficient (less than 20 ng/mL), insufficient (20–29.9 ng/mL), or sufficient (less than or equal to 30 ng/mL).
RESULTS: The serum 25(OH)D level in the CRS group was 19.293 'plus or minus' 7.035 ng/mL, which was higher than that of the control group (18.057 'plus or minus' 6.56 ng/mL, p = 0.0072). Among symptom combinations of endoscopy-based CRS, some combinations with mucopurulent rhinorrhea at the middle meatus were significantly related to normal serum 25(OH)D level.
CONCLUSION: Low serum 25(OH)D level might not be associated with increased prevalence of CRS in Korean adults; rather, patients with CRS showed higher serum 25(OH)D levels than the control group. Thus, these results, contradicting those of previous studies, should be further verified in other countries to investigate the role of the serum 25(OH)D in CRS.
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