French national survey of inpatient adverse events prospectively assessed with ward staff.
Michel P, Quenon JL, Djihoud A, et al. French national survey of inpatient adverse events prospectively assessed with ward staff. Qual Saf Health Care. 2007;16(5):369-77.
Rather than using traditional retrospective methods, this study employed an observational technique with expert input in estimating that 120,000-190,000 preventable adverse events occur annually in France.