Objectives To estimate the possible relationship between statin use and the risk of healthcare facility onset Clostridium difficile. Methods Patients over 18 years of age admitted to hospitals contributing data to the University HealthSystem Consortium between 2002 and 2009 were eligible. Patients with the ICD-9-CM code 008.45 who received a minimum 3-day course of either metronidazole or oral vancomycin on/after day 5 of admission were considered incident cases of C difficile infection. 31 472 incident cases of C difficile infection were identified and matched to five controls, on hospital, year/quarter of admission date, and age ±10 years (N=78 096). Patients who were administered one drug in the statin class (atorvastatin, fluvastatin, lovastatin, pravastatin, rosuvastatin or simvastatin) before the index date were considered to be exposed. Conditional logistic regression modelling provided adjusted odds ratios and 95% CI. Results Compared with non-users, users of any drug within the statin class were 0.78 times less likely to develop C difficile infection in the hospital (95% CI 0.75 to 0.81) adjusting for potential confounders. Differences in estimates for specific statins were minimal. Niacin, fibrates and selective cholesterol absorption inhibitors showed no association with the risk of C difficile infection. Conclusions Our data were consistent with a growing body of literature demonstrating a reduced risk of infections with statin use. Statins' pleiotropic properties may provide protection against C difficile infection.

SUMMARY BackgroundEvidence about the beneficial effects of statins on reducing infections is accumulating. Identifying ways to reduce infection risk in patients with cirrhosis is important because of increased mortality risk and costs associated with infections.

ContextImplicit bias affects health professionals’ clinical decision-making; nevertheless, published reports of medical education curricula exploring this concept have been limited. This research documents a recent approach to teaching implicit bias.MethodsMedical students matriculating during 2014 and 2015 participated in a determinants of health course including instruction about implicit bias. Each submitted a reflective essay discussing implicit bias, the experience of taking the Implicit Association Test (IAT), and other course content. Using grounded theory methodology, student essays that discussed reactions to the IAT were analyzed for content themes based on specific statements mapping to each theme. Twenty-five percent of essays underwent a second review to calculate agreement between raters regarding identification of statements mapping to themes.OutcomeOf 250 essays, three-quarters discussed students’ results on the IAT. Theme comments related to: a) experience taking the IAT, b) bias in medicine, and c) prescriptive comments. Most of the comments (84%) related to students’ acknowledging the importance of recognizing implicit bias. More than one-half (60%) noted that bias affects clinical decision-making, and one-fifth (19%) stated that they believe it is the physician’s responsibility to advocate for dismantling bias.ConclusionsThrough taking the IAT and developing an understanding of implicit bias, medical students can gain insight into the effect it may have on clinical decision-making. Having pre-clinical medical students explore implicit bias through the IAT can lay a foundation for discussing this very human tendency.

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