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Wang WJ, Gray S, Sison C, et al. Low vitamin D level is an independent predictor of poor outcomes in Clostridium difficile-associated diarrhea. Therap Adv Gastroenterol. 2014;7(1):14-9doi: 10.1177/1756283X13502838.
Wang, W. J., Gray, S., Sison, C., Arramraju, S., John, B. K., Hussain, S. A., Kim, S. H., Mehta, P., & Rubin, M. (2014). Low vitamin D level is an independent predictor of poor outcomes in Clostridium difficile-associated diarrhea. Therapeutic advances in gastroenterology, 7(1), 14-9. https://doi.org/10.1177/1756283X13502838
Wang, Wallace J, et al. "Low vitamin D level is an independent predictor of poor outcomes in Clostridium difficile-associated diarrhea." Therapeutic advances in gastroenterology vol. 7,1 (2014): 14-9. doi: https://doi.org/10.1177/1756283X13502838
Wang WJ, Gray S, Sison C, Arramraju S, John BK, Hussain SA, Kim SH, Mehta P, Rubin M. Low vitamin D level is an independent predictor of poor outcomes in Clostridium difficile-associated diarrhea. Therap Adv Gastroenterol. 2014 Jan;7(1):14-9. doi: 10.1177/1756283X13502838. PMID: 24381644; PMCID: PMC3871280.
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Therap Adv Gastroenterol. 2014 Jan;7(1):14-9. doi: 10.1177/1756283X13502838.

Low vitamin D level is an independent predictor of poor outcomes in Clostridium difficile-associated diarrhea.

Therapeutic advances in gastroenterology

Wallace J Wang, Sondra Gray, Cristina Sison, Sushma Arramraju, Bijo K John, Syed A Hussain, Sang H Kim, Preeti Mehta, Moshe Rubin

Affiliations

  1. Department of Gastroenterology, New York Hospital Queens/Weill Cornell Medical College, 56-45 Main Street, Flushing, NY 11355, USA.
  2. Department of Medicine, New York Hospital Queens/Weill Cornell Medical College, Flushing NY, USA.
  3. Feinstein Institute for Medical Research, North Shore-Long Island Jewish Health System, Biostatistics Unit, Manhasset, NY, USA.
  4. Department of Gastroenterology, New York Hospital Queens/Weill Cornell Medical College, Flushing NY, USA.

PMID: 24381644 PMCID: PMC3871280 DOI: 10.1177/1756283X13502838

Abstract

BACKGROUND: The incidence, recurrence, and all-cause mortality rate for Clostridium difficile-associated diarrhea (CDAD) has increased markedly over the past 10 years despite treatment. Low vitamin D levels are known to impair immune responses to infection and are associated with increased mortality. We compared the role of patient comorbidity measured by the Charlson Comorbidity Index (CCI) with vitamin D levels to ascertain whether vitamin D levels were an independent variable affecting the outcome of CDAD or a marker of overall comorbidity.

METHODS: A prospective cohort study studied 62 patients hospitalized between 2008 and 2009 with manifestations of CDAD and a positive C. difficile toxin assay. All patients received standard antibiotics (metronidazole and/or vancomycin). Their status at 30-day follow up was classified as resolved or recurred/expired. Patients' CCI was calculated using their medical history. Logistic regression analysis of variables including 25-hydroxyvitamin D, CCI, age, gender, white blood cell count (WBC), albumin and residence type were performed.

RESULTS: There were 62 patients (43.6% men, 56.4% women) with CDAD; mean age was 75 ± 17 years. At 30-day follow up, 28 (45.2%) expired, 10 (16.1%) had persistent or recurrent diarrhea and 24 (38.7%) resolved. Nonresolution was seen in 38 (61.3%). There was no significant association between 30-day resolution status and CCI, gender, WBC, albumin level or residence type. Two variables were found to be independent predictors of resolution of CDAD: normal vitamin D levels (p = 0.028) and age <70 years (p = 0.024). Subjects with low vitamin D were 4.75 times more likely to fail to resolve CDAD than subjects with normal Vitamin D.

CONCLUSION: In this study, vitamin D level and age are independent predictors of CDAD resolution in hospitalized patients. Low vitamin D levels and age >70 years old are associated with increased likelihood of recurrence. Low vitamin D levels are not a marker of comorbidity or advanced age.

Keywords: Clostridium difficile enteritis; clostridium difficile diarrhea; hypovitaminosis D; recurrent clostridium difficile; vitamin D

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