Article Publish Status: FREE
Abstract Title:

Relationship between serum vitamin D concentrations and clinical outcome of community-acquired pneumonia.

Abstract Source:

Int J Tuberc Lung Dis. 2015 Jun ;19(6):729-34. PMID: 25946368

Abstract Author(s):

H J Kim, J G Jang, K S Hong, J-K Park, E-Y Choi

Article Affiliation:

H J Kim


SETTING: Hospitalised patients with community-acquired pneumonia (CAP) in a tertiary referral hospital in South Korea.

OBJECTIVE: To determine the burden of vitamin D deficiency in patients hospitalised with CAP and to investigate whether vitamin D deficiency affected clinical outcomes.

DESIGN: Serum 25-hydroxyvitamin D (25[OH]D) levels were measured at admission; vitamin D deficiency was defined as 25(OH)D<20 ng/ml. Data were retrospectively analysed for incidence of vitamin D deficiency. The primary outcome was the relationship between serum vitamin D concentration and 28-day all-cause mortality in CAP.

RESULTS: The mean age was 68.1 years (standard deviation [SD]± 14.6), and the mean pneumonia severity index was 98.0 (± SD 28.6). Of the 797 patients (males 66.0%), 641 (80.4%) had vitamin D deficiency. Overall mean serum 25(OH)D level was 14.0 ± 7.4 ng/ml. The 28-day all-cause mortality rate in vitamin D-deficient patients was significantly higher than innon-deficient patients (8.3% vs. 2.6%, P = 0.01), and serum vitamin D level was negatively associated with risk of 28-day mortality in CAP after adjustment for pneumonia severity index and serum lactate levels (OR 0.94, 95%CI 0.90-0.99, P<0.01).

CONCLUSION: The prevalence of vitamin D deficiency was ~80% in patients hospitalised with CAP. Vitamin D deficiency was also a significant predictor of increased 28-day all-cause mortality.

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