期刊
EUROPEAN RESPIRATORY JOURNAL
卷 46, 期 2, 页码 355-363出版社
EUROPEAN RESPIRATORY SOC JOURNALS LTD
DOI: 10.1183/09031936.00226614
关键词
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资金
- Research Council of Norway [201895/V50]
- ExtraStiftelsen Helse og Rehabilitering and Landsforeningen for hjerte-og lungesyke (the Norwegian Extra Foundation for Health and Rehabilitation and the Norwegian Heart and Lung Patient Organisation) [2011.2.0215]
- liason committee of the Central Norway Regional Health Authority - NTNU
The association between serum 25-hydroxyvitamin D (25(OH)D) level and lung function changes in the general population remains unclear. We conducted cross-sectional (n= 1220) and follow-up (n= 869) studies to investigate the interrelationship of serum 25(OH)D, smoking and lung function changes in a random sample of adults from the Nord-Trondelag Health (HUNT) Study, Norway. Lung function was measured using spirometry and included forced expiratory volume in 1 s (FEV1) % predicted, forced vital capacity (FVC) % pred and FEV1/FVC ratio. Multiple linear and logistic regression models estimated the adjusted difference in lung function measures or lung function decline, adjusted odds ratios for impaired lung function or development of impaired lung function and 95% confidence intervals. 40% of adults had serum 25(OH)D levels <50 nmol.L-1. Overall, those with a serum 25(OH)D level < 50 nmol.L-1 showed worse lung function and increased odds of impaired lung function compared to the >= 50 nmol.L-1 group. These associations tended to be stronger among ever-smokers, including greater decline in FEV1/FVC ratio and greater odds of the development of impaired lung function (FEV1/FVC < 70% OR 2.4, 95% CI 1.2-4.9). Associations among never-smokers were null. Results from cross-sectional and follow-up studies were consistent. There were no associations between serum 25(OH)D levels and lung function or lung function changes in never-smokers, whereas significant associations were observed in ever-smokers.
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