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OBJECTIVE To evaluate a systematic approach to derive valid benchmarks for 2 outcome indicators intended to ascertain quality in cataract surgery and to propose benchmark levels drawn from the study results. DESIGN Prospective, multicenter cohort trial. PARTICIPANTS A total of 1685 patients (206-239 eyes per trial site) were recruited consecutively at 7(More)
In recent years the requirements for business information systems have changed. Knowledge-and process-management demand for flexible, dynamic and distributed software environments including the ability to work across the organization's boundaries. With traditional software not up to these challenges new concepts have been developed. This paper reviews the(More)
Dialysis substitutes a deficient organ. To perform dialysis requires qualified nurses and physicians, necessitates time and is an expensive procedure. In a society which valorises autonomy, dialysis leads to dependency and therefore is associated with a very bad image. This loss of autonomy is one of the most common complains of dialyzed patients. For this(More)
OBJECTIVES To describe a cohort of bilateral stone formers with significantly different compositions between renal units. METHODS Patients treated for bilateral nephrolithiasis over a 4-year period (2007-2010) were identified. Stones were categorized by dominant (≥50%) mineralogical component. Patients with significant compositional differences between(More)
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