Objectives: Medical errors are among the leading causes of death within the United States. Studies have shown that patients can be harmed while receiving care, sometimes resulting in permanent injury or, in extreme cases, death. To reduce the risk of patient safety incidents, it is imperative that a robust culture of safety be established. The primary objective of this study was to evaluate the patient safety culture among providers at 4 US dental institutions, comparing the results with their medical counterparts in 2016. Methods: This cross-sectional study uses the Medical Office Survey on Patient Safety Culture that was modified for dentistry and administered at 4 US dental institutions during the 2016 calendar year. All dental team members were invited to complete electronic or paper-based versions of the questionnaire. Results: Among 1,615 invited participants, 656 providers responded (rate, 40.6%). Medical institutions outperformed the dental institutions on 9 of the 10 safety culture dimensions, 6 of the 6 overall quality items, and 8 of the 9 patient safety and quality issues. The surveyed dental institutions reported the strongest average percentage positive scores in organizational learning (85%) and teamwork (79%). Conclusion: These findings suggest that the patient safety culture progressed over time. However, there is still heterogeneity within safety culture among academic dental, private (nonacademic), and medical clinics. Knowledge Transfer Statement: Patient safety is the first dimension of quality improvement. Administering the Medical Office Survey on Patient Safety Culture within dental clinics represents a key measure to understand where improvements can be made with respect to patient care safety.
Demographic survey questions are important to describe the population of survey responders, illuminate potential disparities, and ultimately advance equity.Little is known about their impact on survey response rate or measurement. MethodsA total of 4,448 individuals were randomly assigned to one of three conditions in a mailed paper questionnaire where demographic questions were (1) not asked, (2) integrated at the end of the survey, or (3) included as standalone questions on a separate piece of paper. Response rates to the main survey and demographic questions, as well as item nonresponse and correlation of responses to administrative records, are compared.
Nutrient supply rates to hosts can mediate host-pathogen interactions. In terrestrial systems, nutrient supply to plants is mediated by soil microbes, suggesting a potential indirect effect of soil microbes on plant-pathogen interactions. Soil microbes also may affect plant pathogens by inducing plant defenses. We tested the role of soil microbes, nitrogen supply to plant hosts, and co-inoculation on infection by aphid-vectored RNA viruses, Barley Yellow Dwarf Virus (BYDV-PAV) and Cereal Yellow Dwarf Virus (CYDV-RPV), in a grass host grown in soil microbes collected from a long-term nitrogen enrichment experiment. BYDV-PAV incidence declined with high nitrogen supply, co-inoculation, or presence of soil microbes exposed to long-term low nitrogen enrichment. However, when combined, the negative effects of these treatments were sub-additive: nitrogen and co-inoculation did not reduce BYDV-PAV incidence in plants grown with the soil microbes. While soil microbes impacted leaf chlorophyll, they did not alter biomass or CYDV-RPV incidence. Soil microbes mediated the effects of nitrogen supply and co-inoculation on infection incidence and the effects of infection on host symptoms. Thus, soil microbial communities can indirectly control disease dynamics, altering the effects of nitrogen enrichment on plant-pathogen and pathogen-pathogen interactions in terrestrial systems.
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