期刊
CRITICAL CARE MEDICINE
卷 40, 期 1, 页码 63-72出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/CCM.0b013e31822d74f3
关键词
25-hydroxyvitamin D; mortality; epidemiology; vitamin D
资金
- NIH [K08AI060881]
Objective: We hypothesized that deficiency in 25-hydroxyvitamin D at critical care initiation would be associated with all-cause mortalities. Design: Two-center observational study. Setting: Two teaching hospitals in Boston, MA. Patients: The study included 1,325 patients, age >= 18 yrs, in whom 25-hydroxyvitamin D was measured 7 days before or after critical care initiation between 1998 and 2009. Measurements: 25-hydroxyvitamin D was categorized as deficiency in 25-hydroxyvitamin D (<= 15 ng/mL), insufficiency (16-29 ng/mL), and sufficiency (>= 30 ng/mL). Logistic regression examined death by days 30, 90, and 365 postcritical care initiation and in-hospital mortality. Adjusted odds ratios were estimated by multivariable logistic regression models. Interventions: None. Key Results: 25-hydroxyvitamin D deficiency is predictive for short-term and long-term mortality. Thirty days following critical care initiation, patients with 25-hydroxyvitamin D deficiency have an odds ratio for mortality of 1.85 (95% confidence interval 1.15-2.98; p = .01) relative to patients with 25-hydroxyvitamin D sufficiency. 25-hydroxyvitamin D deficiency remains a significant predictor of mortality at 30 days following critical care initiation following multivariable adjustment for age, gender, race, Deyo-Charlson index, sepsis, season, and surgical vs. medical patient type (adjusted odds ratio 1.94; 95% confidence interval 1.18-3.20; p = .01). Results were similarly significant at 90 and 365 days following critical care initiation and for in-hospital mortality. The association between vitamin D and mortality was not modified by sepsis, race, or neighborhood poverty rate, a proxy for socioeconomic status. Conclusion: Deficiency of 25-hydroxyvitamin D at the time of critical care initiation is a significant predictor of all-cause patient mortality in a critically ill patient population. (Crit Care Med 2012; 40:63-72)
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